Shallow Thoughts : tags : photo

Akkana's Musings on Open Source Computing, Science, and Nature.

Wed, 16 Jan 2013

Bluebirds and phantom horses at Arastradero

[Western bluebird]

The weather was a bit warmer today than it has been, so I snuck off for an hour's hike at Arastradero, where I was amazed by all the western bluebirds out enjoying the sunny day. I counted three of them just on the path from the parking lot to the road crossing. Bold, too -- they let me get close enough to snap a shot with my pocket camera.

Farther up the trail, a white-shouldered kite was calling as it soared, and a large falcon flew by, too far away and too backlit for me to identify it for sure as a peregrine.

[Phantom stump horse] But then I spotted an even more unusual beast -- a phantom horse rearing out of the ground, ears pricked forward, eyes and mouth open and mane whipped by a wind we could not feel on this pleasant, windless day.

Dave always teases me about my arboronecrophotography inclinations (I like to take pictures of dead trees). But how could I resist trying to capture a creature like this?

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[ 19:26 Jan 16, 2013    More nature | permalink to this entry | comments ]

Fri, 21 Sep 2012

Farewell, Space Shuttle Endeavour

[Space shuttle Endeavour flyby] This morning, the last space shuttle, Endeavour, made a piggyback fly-by of California cities prior to landing at LAX, where it will be trucked to its final resting place in Exposition Park. And what science and astronomy fan could resist a once in a lifetime chance to see the last shuttle in flight, piggyback on its 747 transporter?

Events kept me busy all morning, so I was late getting away. Fortunately I'd expected that and planned for it. While watching the flyby from Griffith Observatory sounded great, I suspected there would be huge crowds, no parking and there's no way I could get there in time. The Times suggested Universal City -- which I took to mean that there would be huge crowds and traffic there too. So I picked a place off the map, Blair Dr., that looked like it was easy to get to, reasonably high and located in between Griffith and Universal.

It turned out to be a good choice. There were plenty of people there, but I found a parking spot a few blocks away from where everybody was hanging out and walked back to the viewpoint where I'd seen the crowds.

[Universal Studios back lot] I looked down and the first thing I saw was a smashed jumbo jet among the wreckage of some houses. Um ... not the way I wanted to see the shuttle! But then I realized I was looking at the Universal Studios back lot. Right. Though binoculars I could even see the tram where the folks on the studio tour went right by the "plane crash". And I could look across to Universal City, where the crowds made me happy I'd decided against going there -- I bet they had some traffic jams too.

The crowd was friendly and everybody was sharing the latest rumors of the shuttle's location -- "It just flew over Santa Barbara!" "It's over West Hollywood -- get ready!" "Nope, now it's going west again, might be a while." That helped with the wait in the hot sun.

[Space shuttle Endeavour flyby] Finally, "It's coming!" And we could see it, passing south of the crowds at Universal City and coming this way ... and disappearing behind some trees. We all shifted around so we'd see it when it cleared the trees.

Only it didn't! We only got brief glimpses of it, between branches, as the shuttle flew off toward Griffith Observatory. Oh no! Were we in exactly the wrong location?

Then the word spread, from people farther down the road -- "It's turning -- get ready for another pass!" This time it came by south of us, giving us all a beautiful clear view as the 747 flew by with the shuttle and its two fighter-plane escorts.

We hung around for a few more minutes, hoping for another pass, but eventually we dispersed. The shuttle and its escorts flew on to LAX, where it will be unloaded and trucked to Exposition Park. I feel lucky to have gotten such a beautiful view of the last shuttle flight.

Photos: Space shuttle Endeavour flyover.

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[ 20:35 Sep 21, 2012    More science/astro | permalink to this entry | comments ]

Wed, 06 Jun 2012

There's a big black spot on the sun today ...

[Transit of Venus, June 5 2012] After a heart-stopping day of rain on Monday, Tuesday, the day of the Venus transit astronomers have been anticipating for decades, dawned mostly clear.

For the 3 pm ingress, Dave and I set up in the backyard -- a 4.5-inch Newtonian, a Takahashi FS102, and an 80mm f/6 refractor with an eyepiece projection camera mount. I'd disliked the distraction during the annular eclipse of switching between eyepiece and camera mount, and was looking forward to having a dedicated camera scope this time.

Venus is big! There wasn't any trouble seeing it once it started its transit. I was surprised at how slowly it moved -- so much slower than a Mercury transit, though it shouldn't have been a surprise, since I knew the event would take the rest of the evening, and wouldn't be finished until well past our local sunset.

The big challenge of the day was to see the aureole -- the arc of Venus' atmosphere standing out from the sun. With the severely windy weather and turbulent air (lots of cumulus clouds) I wasn't hopeful. But as Venus reached the point where only about 1/3 of its disk remained outside the sun, the aureole became visible as a faint arc. We couldn't see it in the 4.5-inch, and it definitely isn't visible in the poorly-focused photos from the 80mm, but in the FS102 it was definitely there.

About those poorly focused pictures: I hadn't used the 80mm, an Orion Express, for photography before. It turned out its 2-inch Crayford focuser, so nice for visual use, couldn't hold the weight of a camera. With the sun high overhead, as soon as I focused, the focuser tube would start to slide downward and I couldn't lock it. I got a few shots through the 80mm, but had better luck holding a point-and-shoot camera to the eyepiece of the FS102.

Time for experiments

[Binocular projection of Venus transit] Once the excitement of ingress was over, there was time to try some experiments. I'd written about binocular projection as a way anyone, without special equipment, could watch the transit; so I wanted to make sure that worked. I held my cheap binoc (purchased for $35 many years ago at Big 5) steady on top of a tripod -- I never have gotten around to making a tripod mount for it; though if I'd wanted a more permanent setup, duct tape would have worked.

I couldn't see much projecting against the ground, and it was too windy to put a piece of paper or cardboard down, but an old whiteboard made a perfect solar projection screen. There was n trouble at all seeing Venus and some of the larger sunspots projected onto the whiteboard.

As the transit went on, we settled down to a routine of popping outside the office every now and then to check on the transit. Very civilized. But the transit lasted until past sunset, and our western horizon is blocked by buildings. I wanted some sunset shots. So we took a break for dinner, then drove up into the hills to look for a place with a good ocean view.

The sunset expedition

Our first idea, a pullout off Highway 9, had looked promising in Google Earth but turned out to have trees and a hill (that somehow hadn't shown up in Google Earth) blocking the sunset. So back up highway 9 and over to Russian Ridge, where I remembered a trail entrance on the western side of the ridge that might serve. Sure enough, it gave us a great sunset view. There was only parking space for one car, but fortunately that's all we needed. And we weren't the only transit watchers there -- someone else had hiked in from the main parking lot carrying a solar filter, so we joined him on the hillside as we waited for sunset.

[Mak 90 with solar filter] I'd brought the 80mm refractor for visual observing and the 90 Mak for camerawork. I didn't have a filter for the Mak, but Dave had some Baader solar film, so earlier in the afternoon I'd whipped up a filter. A Baskin-Robbins ice cream container lid turned out to be the perfect size. Well, almost perfect -- it was just a trifle too large, but some pads cut from an old mouse pad and taped inside the lid made it fit perfectly. Dave used the Baader film, some foam and masking tape to make a couple of filters for his binocular.

The sun sank through a series of marine cloud layers. Through the scopes it looked more like Jupiter than the sun, with Jupiter's banding -- and Venus' silhouette even looked like the shadow of one of Jupiter's moons.

[off-axis aperture stops from ice cream containers] Finally the sun got so low, and so obscured by clouds, that it seemed safe to take the solar filter off the 90mm camera rig. (Of course, we kept the solar filters on the other scope and binocular for visual observing.) But even at the camera's fastest shutter speed, 1/4000, the sun came out vastly overexposed with 90mm of aperture feeding it at f/5.6.

I had suspected that might be a problem, so I'd prepared a couple of off-axis stops for the Mak, to cover most of the aperture leaving only a small hole open. Again, BR ice cream containers turned out to be perfect. I painted the insides flat black to eliminate reflections, then cut holes in the ends -- one about the size of a quarter, the other quite a bit larger. It turned out I didn't use the larger stop at all, and it would have been handy to have one smaller than the quarter-sized one -- even with that stop, the sun was overexposed at first even at 1/4000 and I had to go back to the solar filter for a while.

[Venus transit at sunset] [Venus transit at sunset] I was happy with the results, though -- I got a nice series of sunset photos complete with Venus silhouette.

More clouds rolled in as we packed up, providing a gorgeous blue-and-pink sunset sky backdrop for our short walk back to the car. What a lovely day for such a rare celestial event!

Photos here: Venus Transit, June 5 2012.

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[ 11:48 Jun 06, 2012    More science/astro | permalink to this entry | comments ]

Wed, 21 Jul 2010

Writing scripts for your Canon camera with CHDK

On Linux Planet yesterday: an article on how to write scripts for chdk, the Canon Hack Development Kit -- Part 3 in my series on CHDK.

Time-Lapse Photography with your Inexpensive Canon Camera (CHDK p. 3)

I found that CHDK scripting wasn't quite as good as I'd hoped -- some of the functions, especially the aperture and shutter setting, were quite flaky on my A540 so it really didn't work to write a bracketing script. But it's fantastic for simple tasks like time-lapse photography, or taking a series of shots like the Grass Roots Mapping folk do.

If you're at OSCON and you like scripting and photos, check out my session on Thursday afternoon at 4:30: Writing GIMP Plug-ins and Scripts, in which I'll walk through several GIMP scripts in Python and Script-Fu and show some little-known tricks you can do with Python plug-ins.

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[ 09:31 Jul 21, 2010    More photo | permalink to this entry | comments ]

Thu, 08 Jul 2010

Article: CHDK part 2

Part 2 of my series on hacking Canon point-and-shoot cameras with CHDK: Turn Your Compact Canon Camera Into a Super-Camera With CHDK, discusses some of CHDK's major features, like RAW image file support, "zebra mode" and on-screen histograms, and custom video modes (ever been annoyed that you can't zoom while shooting a video?)

Perhaps equally important, it discusses how to access these modes and CHDK's other special menus, how to load CHDK automatically whenever you power the camera on, and how to disable it temporarily.

Part 3, yet to come, will discuss how to write CHDK scripts.

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[ 16:27 Jul 08, 2010    More photo | permalink to this entry | comments ]

Wed, 30 Jun 2010

Tiny froglets at Picchetti Ranch

You read so much about the dire state of amphibians in today's world. They're delicate -- they can absorb toxins through their porous skins, making them prey to all the pollution the human world dumps at their doorstep, as well as being prey for a wide assortment of larger animals and prone to infection by parasites. I remember seeing lots of frogs around ponds in the woods when I was growing up, and these days it's rare to see a frog in the wild at all.

But sometimes you get lucky and get an indication that maybe the state of amphibians isn't as dire as all that. Mark Wagner gave me a tip (thanks, Mark!) that the pond at Picchetti Ranch was literally hopping with frogs. I thought he must be exaggerating -- but he wasn't.

[tiny frog at Picchetti Ranch] They're tiny, thumbtip-sized creatures and they're everywhere around the margin of the lake, hopping away as you approach. It's tough to get photos because they move so fast and like to hide under grass stems, but like anything else, take a lot of pictures and you'll get lucky on a few.

The scene is absolutely amazing. If you're at all a frog fan in the south bay area, get yourself to Picchetti and take a look -- but be very, very careful where you step, because they're everywhere and they're hard to spot between jumps.

I unfortunately lack a good amphibian field guide, and couldn't find much on the web either, but some people seem to think these Picchetti frogs are Sierran tree frogs -- which apparently are sometimes are green, sometimes brown and have a wide range of markings, so identifying them isn't straightforward.

Photos: Tiny frogs at Piccheti Ranch.

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[ 18:14 Jun 30, 2010    More nature | permalink to this entry | comments ]

Wed, 23 Jun 2010

Article: Customize or Hack your Canon camera with CHDK

My latest Linux Planet article came out a day early: RAW Support (and more) For Your Canon Camera With CHDK.

CHDK is a cool way you can load custom firmware onto a Canon camera. It lets you do all sorts of useful hacks, from saving in RAW format even in cameras that supposedly don't allow that, to getting more control over aperture, shutter speed and other parameters, to writing scripts to control the camera.

I didn't have space for all that in one article, so today's Part 1 simply covers how to install CHDK; Part 2, in two weeks, will discuss some of the great things you can do with CHDK.

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[ 19:02 Jun 23, 2010    More photo | permalink to this entry | comments ]

Wed, 04 Feb 2009

Tasmania Photos

I still haven't finished writing up a couple of blog entries from bumming around Tasmania after LCA2009, but I did get some photos uploaded: Tasmania photos. Way too many photos of cute Tassie devils and other animals at the Bonorong wildlife park, as well as the usual collection of scenics and silly travel photos.

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[ 14:49 Feb 04, 2009    More travel/tasmania | permalink to this entry | comments ]

Sat, 15 Nov 2008

Using (or not) an Apple Cinema Display on a non-Apple

Dave and I recently acquired a lovely trinket from a Mac-using friend: an old 20-inch Apple Cinema Display.

I know what you're thinking (if you're not a Mac user): surely Akkana's not lustful of Apple's vastly overpriced monitors when brand-new monitors that size are selling for under $200!

Indeed, I thought that until fairly recently. But there actually is a reason the Apple Cinema displays cost so much more than seemingly equivalent monitors -- and it's not the color and shape of the bezel.

The difference is that Apple cinema displays are a technology called S-IPS, while normal consumer LCD monitors -- those ones you see at Fry's going for around $200 for a 22-inch 1680x1050 -- are a technology called TN. (There's a third technology in between the two called S-PVA, but it's rare.)

The main differences are color range and viewing angle. The TN monitors can't display full color: they're only 6 bits per channel. They simulate colors outside that range by cycling very rapidly between two similar colors (this is called "dithering" but it's not the usual use of the term). Modern TN monitors are astoundingly fast, so they can do this dithering faster than the eye can follow, but many people say they can still see the color difference. S-IPS monitors show a true 8 bits per color channel.

The viewing angle difference is much easier to see. The published numbers are similar, something like 160 degrees for TN monitors versus 180 degrees for S-IPS, but that doesn't begin to tell the story. Align yourself in front of a TN monitor, so the colors look right. Now stand up, if you're sitting down, or squat down if you're standing. See how the image suddenly goes all inverse-video, like a photographic negative only worse? Try that with an S-IPS monitor, and no matter where you stand, all that happens is that the image gets a little less bright.

(For those wanting more background, read TN Film, MVA, PVA and IPS – Which one's for you?, the articles on TFT Central, and the wikipedia article on LCD technology.)

Now, the comparison isn't entirely one-sided. TN monitors have their advantages too. They're outrageously inexpensive. They're blindingly fast -- gamers like them because they don't leave "ghosts" behind fast-moving images. And they're very power efficient (S-IPS monitors, are only a little better than a CRT). But clearly, if you spend a lot of time editing photos and an S-IPS monitor falls into your possession, it's worth at least trying out.

But how? The old Apple Cinema display has a nonstandard connector, called ADC, which provides video, power and USB1 all at once. It turns out the only adaptor from a PC video card with DVI output (forget about using an older card that supports only VGA) to an ADC monitor is the $99 adaptor from the Apple store. It comes with a power brick and USB plug.

Okay, that's a lot for an adaptor, but it's the only game in town, so off I went to the Apple store, and a very short time later I had the monitor plugged in to my machine and showing an image. (On Ubuntu Hardy, simply removing xorg.conf was all I needed, and X automatically detected the correct resolution. But eventually I put back one section from my old xorg.conf, the keyboard section that specifies "XkbOptions" to be "ctrl:nocaps".)

And oh, the image was beautiful. So sharp, clear, bright and colorful. And I got it working so easily!

Of course, things weren't as good as they seemed (they never are, with computers, are they?) Over the next few days I collected a list of things that weren't working quite right:

The brightness problem was the easiest. A little web searching led me to acdcontrol, a commandline program to control brightness on Apple monitors. It turns out that it works via the USB plug of the ADC connector, which I initially hadn't connected (having not much use for another USB 1.1 hub). Naturally, Ubuntu's udev/hal setup created the device in a nonstandard place and with permissions that only worked for root, so I had to figure out that I needed to edit /etc/udev/rules.d/20-names.rules and change the hiddev line to read:

KERNEL=="hiddev[0-9]*", NAME="usb/%k", GROUP="video", MODE="0660"
That did the trick, and after that acdcontrol worked beautifully.

On the second problem, I never did figure out why suspending with the Apple monitor always locked up the machine, either during suspend or resume. I guess I could live without suspend on a desktop, though I sure like having it.

The third problem was the killer. Big deal, who needs text consoles, right? Well, I use them for debugging, but what was more important, also broken were the grub screen (I could no longer choose kernels or boot options) and the BIOS screen (not something I need very often, but when you need it you really need it).

In fact, the text console itself wasn't a problem. It turns out the problem is that the Apple display won't take a 640x480 signal. I tried building a kernel with framebuffer enabled, and indeed, that gave me back my boot messages and text consoles (at 1280x1024), but still no grub or BIOS screens. It might be possible to hack a grub that could display at 1280x1024. But never being able to change BIOS parameters would be a drag.

The problems were mounting up. Some had solutions; some required further hacking; some didn't have solutions at all. Was this monitor worth the hassle? But the display was so beautiful ...

That was when Dave discovered TFT Central's search page -- and we learned that the Dell 2005FPW uses the exact same Philips tube as the Apple, and there are lots of them for sale used,. That sealed it -- Dave took the Apple monitor (he has a Mac, though he'll need a solution for his Linux box too) and I bought a Dell. Its image is just as beautiful as the Apple (and the bezel is nicer) and it works with DVI or VGA, works at resolutions down to 640x480 and even has a powered speaker bar attached.

Maybe it's possible to make an old Apple Cinema display work on a Mac. But it's way too much work. On a PC, the Dell is a much better bet.

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[ 20:57 Nov 15, 2008    More tech | permalink to this entry | comments ]

Tue, 02 Sep 2008

DSLR Camera Foo

I thought it would never happen ... I've finally joined the Digital SLR world.

Why would it never happen? I enjoyed film SLRs for years ... from the Olympus OM-1 (great little manual camera) I had as a teenager to the Nikkormat EL and Nikon FG I used a decade ago. I only stopped because processing and scanning slides was such a hassle compared to the ease of uploading digital images. So why not a DSLR?

The problem was that when Nikon went digital, they orphaned all their old manual-focus lenses. They're still physically compatible (they'll screw on to the DSLR body), but peeved Nikon DSLR owners inform me (and camera store clerks agree) that the Nikon cameras won't meter with the old lens attached.

I don't mind doing my own focusing (manual focusing is one of the prime advantages of an SLR, not a disadvantage) but having to guess at the exposure setting too? "Oh, just carry a light meter," people say. On a camera that costs over $600? That bothers me.

So I was peeved at Nikon and not about to buy anything from them ... but meanwhile I had all these lenses, and hated to buy some other brand where the lenses wouldn't even screw on. So, no DSLR for me ...

Until I was pouring out my lens-mount frustrations during a camera discussion one night on #gimp and one of the regulars (thanks, Liam!) said "Well then, why don't you just get an adaptor that lets you use Nikon MF lenses on a Canon?"

A what? said I.

Sure enough, there are lots of them on Ebay ... search for canon nikon adaptor or look at Gadget Infinity's "lens adaptor" section. You can even (for a little more money) get a "confirm" lens that lights up the autofocus-confirm points in the viewfinder to tell you when the camera thinks you're in focus.

A few months passed (too busy to do camera research) but eventually I found the time and budget ... and now I have a 5-day-old Canon Rebel Xsi, which indeed takes excellent photos (correctly metered) through my old Nikon AI-mount Sigma 70-300 APO zoom macro. And the 18-55 kit lens (the equivalent of a 29-88 in a 35mm camera) isn't bad either -- a little slow (f/3.5 at the widest) but decently wide at the wide end (in the years of using pocket digicams I'd forgotten how much nicer it is to have a true wide-angle lens) and with a nice close focus for macros at the long end.

Even the autofocus isn't bad -- there are still plenty of times when I need manual, but the Rebel's autofocus is much faster and more accurate than any I'd seen on earlier cameras.

[The Canon says F00] It's such a great feeling to use an SLR again. The morning after the camera arrived, I looked up and saw goldfinches at the feeder just outside the window. I picked up the camera, switched it on, pointed, zoomed, focused and snapped. No worries about whether the camera might have decided to focus on the window, or the window frame, or the tree, or the bush -- just focus and shoot. What a pleasure!

And the best part: this must be a camera made by geeks, because when it has the Nikon lens attached ... it says F00!

[ 19:59 Sep 02, 2008    More photo | permalink to this entry | comments ]

Thu, 25 Aug 2005

Dowitcher Photo Published!

I was contacted months ago regarding a photo on my web site asking whether it could be used along with an article on molting patterns in Dowitchers in Birding magazine.

Months went by (print magazines are slow) and I wondered if the plan had been dropped, but last week I heard from the author, Caleb Putnam, and the article is in the current (July/August) issue! Yesterday I received a copy of the magazine and a modest payment. Cool!

Even cooler, the photo is the frontispiece of the article. The author says he's received many comments about how great a shot it is for illustrating molt gaps. That's a pull quote if I ever heard one: "Great shot for illustrating molt gaps."

The article is interesting as well -- I didn't know that molt patterns could identify the two species of dowitcher. Telling long-billed and short-billed dowitchers apart has been beyond my modest birding skills, but perhaps I'll have better luck now. I'll be heading out to Baylands today at lunch to see what the dowitchers are doing ...

[ 10:49 Aug 25, 2005    More photo | permalink to this entry | comments ]

Tue, 28 Jun 2005

Freeway Fire

Some jerk decided it would be funny to throw a lit firecracker into the dry brush beside the freeway a few blocks away from where I live, with predictable results.

Fortunately the fire department responded incredibly quickly (must have been less than five minutes from when I heard the bang to when the fire truck arrived) and they were able to put the fire out before it spread far.

I hope someone saw whoever threw the firecracker, and got a license plate.

[ 22:12 Jun 28, 2005    More misc | permalink to this entry | comments ]

Sun, 04 Jul 2004

Musings on photo workshops and classes

Dan's party was last night, including an group which was giving an informal workshop on night photography.

The presentation was a little disappointing, just people showing slides of recent photographs. No discussion of techniques or interesting ideas for night photography, things to try out that night.

It was mildly fun for the couple of us who were Linux users to watch the Windows people fumble with their JASC slideshow program trying to get it to present photos at a reasonable size. Whenever I wonder why I bother to keep maintaining pho, I look at what Windows and Mac people have to go through to look at photos and am amazed all over again.

But strangely, before heading off to Marin yesterday, I did some searching for other linux image viewing programs, to see if they'd solved the window manager problems I've been wrestling with for pho. Amazingly, I couldn't find a single free program in Debian that did what pho does (namely, view a list of images serially, at full size or screen resolution). I had to search for xv source (not in Debian, probably licensing issues), which requires a couple of tweaks to get it to build on linux, and which has the same window management issues pho has. I guess I'll keep maintaining it after all!

After dark we trooped up the hill to photograph lights (Richmond and the Richmond-San Rafael bridge were visible, along with parts of Marin) and wait for moonrise. I took an SLR and the Minolta, and wish I'd taken the Olympus -- nearly everyone else had digital SLRs (Canon) and I wished for something with a decent zoom which would still give me exposure feedback. It's not as if bay area skies can support long star-trail exposures anyway. Moonrise was lovely, a sliver of moon emerging above a thick cloudbank centered over the San Rafael bridge, and growing into a full-sized moon. I hope some of the film photos (on old expired PJM multispeed film!) come out.

Most of the photographers there knew each other from previous classes (I wasn't clear how many are students versus instructors) and most of the group spent the hour before moonrise clustered together taking turns taking the same shot, a person silhouetted against the lights of Richmond while someone else fired a flash from behind the person, back toward the camera, giving an "aura" effect around the silhouette and lighting the nearby grass a bit. Not really knowing anyone, I hung back and instead worked on photos of the various photographers silhouetted against the sky (which may or may not come out; I was shooting from 10 sec to about 3 min, betting on the Marin sky being too bright for longer star trails, but we'll see. One of the other solo shooters was shooting 10 minute exposures and people kept walking into her frame.) Dave shot a few Canon digicam images before the sunset light was completely gone, then the wind got to him and he went back to the house and didn't wait for moonrise.

I'd wondered about maybe taking one of their regular workshops, but this outing was a bit like the couple of other photo workshops I've done: no real instruction or sharing of ideas, basically just a bunch of people wandering around taking photos. If you have specific questions or know the instructors already you might be able to get questions answered, but as a person new to the group, I felt like I'd probably do just as well just going somewhere on my own and taking a lot of photos.

It may be that their multi-day pay workshops involve more instruction, and more feedback the next day on images taken at the workshop. I'm curious about that; the few photo seminars and classes I've taken have also promised feedback afterward, but haven't had much, if any.

Sometimes I think that the ideal format for a photo workshop is an online class: give assignments, then people post their photos a few days or a week later, and everyone discusses them, then you go off to the next assignment with what you learned based on the feedback. The important parts are the discussion and the feedback, not being in the same physical place during the shooting (since not much instruction seems to take place then, for most participants, and if it does it seems to be of the type "everybody line up and take exactly the same photo"). It's hard to do feedback in a several-day workshop at a place like Death Valley when people are shooting film and you can't get it developed quickly enough; a digital camera might be a prerequisite to getting much out of that sort of workshop.

[ 10:00 Jul 04, 2004    More photo | permalink to this entry | comments ]

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