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Adventures in stereo photography

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Miranda F View Drop Down
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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2021 at 15:40
Originally posted by Howard_S Howard_S wrote:

Originally posted by pegelli pegelli wrote:

^^ With my Loreo viewer the top pair works much better than the bottom pair. A very nice capture!

Thanks Pieter, that is as it should be; the bottom pair is for cross-over viewers like Miranda F.

Did you say, 'cross-eyed people like Miranda F'?
Yes, those pairs work well for me, thanks. I'm impressed by those close-ups. I might have to try a lens like that.
Miranda F & Sensorex, Sony A7Rii, A58, Nex-6, Dynax 4, 5, 60, 500si/600si/700si/800si, various Sony & Minolta lenses, several Tamrons, lots of MF primes and *far* too many old film cameras ...
 



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Howard_S View Drop Down
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2021 at 19:38
Ho ho. I'll try to remember to do some more universal quadrants in future.

The lens is for Micro Four Thirds cameras and is easy to adapt to E mount and also to modify for close up because there are no moving parts (fixed focus and fixed aperture). A thin rubber seal can be used to extend the focus of the lens into close-up range; thicker seals get you even closer. I suspect a macro tube is too long, but I'll have a go when I find mine one day ...
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bonneville View Drop Down
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Post Options Post Options   Quote bonneville Quote  Post ReplyReply Direct Link To This Post Posted: 02 June 2021 at 16:09
Originally posted by Howard_S Howard_S wrote:

Brian, hand-held sequential shots are a breeze in SPM, which can be quite forgiving of misalignments

And with that thought I took my little RX100iii on the dog walk today to give it a go. I have never tried the "weight on the left foot then weight on the right" as described in Brian May's LSC site (scroll to bottom of page), so here are a few of my first attempts:

1. A miracle if they stay still long enough


2. Incase they didn't, another view


3. Red dot


4. Out of the maze


What I particularly like about stereoscopic images is that errors in the individual images seem to be "absorbed" into the 3D and, if anything, enhance the overall effect. Fascinating and it has been around for almost 200 years, been in and out of fashion, and seems to be kept alive by a few dedicated enthusiasts.

I am very happy I have stumbled on to it.



Edited by bonneville - 02 June 2021 at 16:35
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Howard_S View Drop Down
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 02 June 2021 at 18:38
Oooh, stereo views of the stereo dogs! They all work well, Brian.

Although I don't have a modern smartphone with a depth sensor, the maker of SPM is doing some fascinating work with the portrait mode of the iPhone and is making 3D stereo pairs from its lens and depth sensor. If you have a recent iPhone it's worth looking at i3DPortrait ...
Howard Stanbury Instagram | Flickr | Web
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 11 June 2021 at 19:11
What I can do with my smart phone is take sequential stereo photo pairs and then get Stereo Photo Make to sort out the alignment. I visited the Barbara Hepworth Art & Life exhibition at the Hepworth Wakefield last week, and the sculptures and rooms are great to catch in stereo 3D:

Hepworth /stereo /1

Camera Model: HD1903 | Lens: OnePlus 7T Rear Main Camera | Focal Length: 4.8 mm | Mode: Program AE | Aperture: f/1.7 | Exposure Time: 0.01 sec (1/100) | ISO: 250
A universal LR/RL view for parallel and cross-over viewers

Hepworth /stereo /2

Camera Model: HD1903 | Focal Length: 6.3 mm | Mode: Program AE | Aperture: f/2.2 | Exposure Time: 0.02 sec (1/50) | ISO: 500
A universal LR/RL view for parallel and cross-over viewers

Hepworth /stereo /3

Camera Model: HD1903 | Lens: OnePlus 7T Rear Main Camera | Focal Length: 4.8 mm | Mode: Program AE | Aperture: f/1.7 | Exposure Time: 0.01 sec (1/100) | ISO: 640
A side-by-side stereo pair

Hepworth /stereo /4

Camera Model: StereoPhoto Mkr | Focal Length: 6.9 mm | Aperture: f/6.0 | Exposure Time: 0.003 sec (1/390) | undefined
This trio is L-R-L, so parallel viewers get the first two images and cross-over viewers use the middle and last.

TFL!


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bonneville View Drop Down
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Post Options Post Options   Quote bonneville Quote  Post ReplyReply Direct Link To This Post Posted: 13 July 2021 at 16:55
Crikey, these are over a month old and I have only just come across them. Sorry Howard for not commenting sooner. They all work (LR that is) very well for me free-viewing. #3 is my pick as there is a lot going on with varying depths of field and the back wall works well in the composition.

My eyes are properly tuned today as I spent an hour or so this morning looking through a selection of LSC card sets. I have them all (except for the Queen 3D sets series 1 and 2 which seem to be vey rare), and although my eyes works well on cards free-viewing, the luxury of the OWL makes the magic so come alive. I also have all the LSC publications, bought whenever they came up on half price or better offers, and they have pride of place on my photography book shelves.

Talking of books, do you have a copy of Magical Images: A Handbook of Stereo Photography by Geoff Ogram? It's a hefty tomb and stacked with technical detail.

 



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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 13 July 2021 at 19:04
Thanks, Brian, and thanks for the tip. I'll keep an eye open for it. The Kindle edition looks affordable, but it's not clear to me whether it has illustrations at all, let alone in colour.

I have let my stereo pics in Yorkshire languish this last month, and I ought to get a move on with them. I look forward to seeing any you feel able to add ... I don't suppose you took the W3 to Duxford?
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 14 July 2021 at 18:47
So here's another from Yorkshire, Kirkstall Abbey


Kirkstall Abbey

Shot with a Fuji W3 so I won't post more here, but if you're interested you'll find a half-dozen more adjacent to this one on Flickr (click through on the photo).

Top: LR parallel view
Bottom: RL crossover view
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 19 July 2021 at 10:34
Here we are, shot with an A7 III


At the top of the Clumps

The Wittehham Clumps in South Oxfordshire are topped with some dark and mysterious woodland, and this was taken sequentially and tidied up with Stereo Photo Maker.

Here I have an anaglyph with a L-R-L sequence below so that parallel and cross-over viewers can view it as well. (You may want to click through to Flickr to get access to a larger version, or to a parallel stereo pair.)

Does anyone here prefer anaglyphs to stereo pairs? It's a shame we don't have access to a platform that allows the user to choose their preferred viewing method.
Howard Stanbury Instagram | Flickr | Web
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bonneville View Drop Down
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Post Options Post Options   Quote bonneville Quote  Post ReplyReply Direct Link To This Post Posted: 19 July 2021 at 17:41
Howard, more good “magic” images up there. To respond to a couple of your questions: no, I regret that I didn’t take the W3 to Duxford but that visit will most certainly not be my last. I did take my Leica M2 but only managed a couple of frames with that. So planning another visit, perhaps specifically to capture stereo, is very much on the cards. A Dyxum 3D mini-meet?

Regarding the images above of The Wittehham Clumps, the left and centre work perfectly for my free viewing eyes. I’m not a fan of anaglyph over L/R. Selfishly because I don’t need glasses to view (small) stereo images but I suppose my main dislike is that it always seems the blue/red colours dominate the image and it doesn’t look natural, whereas L/R and especially using a good quality viewer make an ”ordinary” image “extra-ordinary”.

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Howard_S View Drop Down
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 19 July 2021 at 21:26
I'd certainly like to go to Duxford, Brian. The hard bit might be finding a date, but let's try!

What I like about anaglyphs is that it is possible to view images larger, and when colour is removed or subdued (as here) they are acceptable. The difficult part is often finding the glasses to view them!

One key use for anaglyphs is in SPM where you can make adjustments to the stereo frame and use a slider to see changes in real time. I usually have my glasses handy for that.
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