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Adventures in stereo photography

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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 08 July 2022 at 18:40
Yes, getting two cameras on the same page is a challenge … well done.

As you have two identical cameras you could get some Tipp-Ex and label one L and the other R? Maybe that’s too facetious, but when I import files from a stereo session I use LR’s file renaming capabilities to add a ‘left’ or ‘right’ to the file name on import.

As ever I look forward to results, but I am miles away at the mo’ and have no viewing tools …

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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2022 at 00:22
Today I was in Wiltshire and saw this,


The Old Lad of Westwood | A7 III and FE ZA 24-70 F4

The carving is also known as the Westwood Imp or The Devil of Limpley Stoke, and it sits above the baptismal font in St Mary's church, Westwood, Wiltshire.

The side by side parallel stereo view was generated from a single image by creating a depth map in Photoshop (an option under Neural Filters), and using Stereo Photo Maker to make a pair with the original and the depth map.
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 23 August 2022 at 19:48
My recent open view thread on Lacock Abbey included a stereo pair of the famous 'Fox Talbot' latticed window as a negative. I also made a couple of other stereos:


Stereo bishop | A5000 and Sigma 30mm F2.8

This was a single camera 'cha cha' shot, and the depth is quite exaggerated.


Stereo gardening house | OnePlus 7T and 3dsteroid pro app

While this picture was taken on a smartphone with 3dsteroid Pro by Muttyan of Stereo Photo Maker fame.
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Post Options Post Options   Quote bonneville Quote  Post ReplyReply Direct Link To This Post Posted: 31 August 2022 at 14:39
My contribution to this thread is long overdue    Now that I have set up the two RX100iii cameras with identical settings it is about time I gave them their first outing, screwed to the Z bracket discussed previously here.

Inspired by the stereoscopic endeavours of Brian May, and in particular his book A Village Lost and Found I took a stroll through my village to capture a few of the buildings. These 3D cards are in no way images with any photographic merit but serve purely to test out the hardware and subsequent work flow in StereoPhotoMaker and Lightroom Classic to see if I can bring it all together and get them to appear here. SBS images for freeview or seen through an OWL

I present for your perusal, Corby Glen, Lincolnshire:

1. The Village Hall and pre-school group


2. Swinsted Road Garage


3. The Woodhouse Arms Public House


4. The Village Memorial


5. St John’s Church


6. The Church Hall


7. The Fighting Cocks Public House


8. Market Cross Surgery


9. The Fire Station


10. The Charles Read Academy




Edited by bonneville - 01 September 2022 at 07:44
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 04 September 2022 at 00:29
I'm back home and reunited with my stereo viewers, and I'm glad to have the chance to view these. Your stated aim is to get a working setup to take stereo pictures simultaneously and to get a work flow that makes the processing reliable and consistent.

I'd say you have succeeded.

The depth effect in some of the pictures is not great, but you can see that for example photos 5, 8, and 10 have elements of foreground that are distinct from the main subject behind. In #8 the man getting in to the car is caught in the same position in both frames, something that cannot be achieved with 'cha-cha' or sequential method of capturing a stereo pair. (After I saw this post I was inspired to get out and do some stereo views when I was on holiday - the movement of people or objects can interfere with the enjoyment and perception of some photos.)

I look forward to seeing more results soon. My own set should follow in a day or two.
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 04 September 2022 at 11:14
And here we are. Following Brian's post I decided to go out and make some stereo pairs using the 'cha-cha' method with a single camera. Stereo Photo Maker does the heavy lifting in terms of matching the pair and making them viewable. I was visiting my old university (UEA) in Norwich, which has some interesting modern architecture and an art collection at the Sainsbury Centre.

1

Swans | Richard Slee

2

Lynn Chadwick sculptures and Denys Lasdun Ziggurats

3

Another Time IV | Antony Gormley

4

Bucket Man | John Davies

5

Another Time VII | Antony Gormley



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Post Options Post Options   Quote bonneville Quote  Post ReplyReply Direct Link To This Post Posted: 04 September 2022 at 16:12
Thanks for your comments Howard and its good to see your cha-cha efforts working very well as always. I think I must have a very exagerated idea of what two inches is and always seem to overdo the movement from left to right. Yes, the simultaneous capture of two cameras does freeze movement and a good comparison is your Lynn Chadwick sculptures, compared to my #8, as I struggle when free-viewing the woman and child by the lone tree, even though the brain tries to reconcile it. I am assuming that Bucket Man is a living statue although why anyone decides to go to so much trouble in the name of art I have never been able to fathom. But the stereo look brings him alive.

Now that I’ve got my rig functioning I took a few snaps of our garden today to explore separation and depth with the cameras set to macro.

1. One of our several cooking apple trees:


2. And another:


3. Recently erected trellis:


We laid a large area of the garden to meadow this year to attract the wildlife, which grew very well although we have just strimmed it for next season.
4. In the meadow we built this pond:


5. The trunk of our largest tree, a maple:


6. My “lockdown built” bird feeding station has proved very popular:


7. My wife (who kills plants for a pastime*) planted this a few weeks ago and it is going strong:


8. The bluetit nest box with food for the fledgelings:


9. Another lockdown build, the herb box:


All taken with twin RX100M3 rig, created in StereoPhotoMaker and processed in Lightroom Classic

NB* The description fits us both as the list of garden and indoor plants that we have both brought to a premature end though over watering, insufficient watering, wrong location, too much sun or not enough sun etc is long, and expensive    But we do try

Edited by bonneville - 04 September 2022 at 16:18
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 04 September 2022 at 19:11
I like to think that SPM takes care of any discrepancy in the L-R movement in taking photos cha-cha style. I'd also say 2 inches / 5 cm is on the narrow end of the scale for stereo photos. Human eyes are I think typically 5-6 cm apart and in stereo photography you look at a separation of around 30x that distance to the subject (a rule I'm sure I break, btw).

It's nice to see these though, with foreground interest as well as background. The bird feeder could be played around with by manually overriding SPM to get the near end sticking out of the stereo frame or window.

I like the fruit photos - it has been a bountiful year.

Oh, and Bucket Man is an actual statue, not a living one!
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Post Options Post Options   Quote bonneville Quote  Post ReplyReply Direct Link To This Post Posted: 04 September 2022 at 19:38
Originally posted by Howard_S Howard_S wrote:

Oh, and Bucket Man is an actual statue, not a living one!
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 21 September 2022 at 12:11
I went to the Fair a couple of weeks ago and tried the Fuji W3 under what I would call difficult conditions (night-time photography). The sensor is old and the aperture at its widest is F3.7, I believe. I used a tripod and ISO 400 to maximise the chance of things coming out all right, and this shot was possible at 1/25s


Dance & Smile / stereo SBS parallel

The riders smiled and looked natural (and were unknown to me), so I was pleased with the outcome.
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