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Adventures in stereo photography

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Howard_S View Drop Down
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Joined: 20 March 2008
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 15 May 2019 at 00:16
Moving on, I experimented with a 30mm Sigma E F2.8 prime as the left lens and the 16-50 PZ lens on the right, set to 30mm (on screen; in the EXIF 29mm is reported).

In general I'm keeping to ISO 400 and F4 and letting the camera determine exposures; it was so bright today I was getting speeds up to the camera's limit of 1/4000 s, which leaves little room for manoeuvre in getting the exposure right.

The NEX-7 body is about 12cm wide, so that is the closest the lenses can be; in practice I have worked with an extra 2-3 cm between the bodies, and I can extend this further at longer focal lengths, to get better stereo at greater distances.

30mm on APS-C is equivalent to 45mm full frame, close to normal or standard focal lengths for the 35mm format.

So here are three samples, which can be viewed on the Flickr mobile app if that helps to achieve stereo effect.


John Young's grave | stereo


White Hart | stereo


St Andrew's Tower | stereo

Howard Stanbury Instagram | Flickr | Web
 



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Howard_S View Drop Down
Senior Member
Senior Member

Joined: 20 March 2008
Country: United Kingdom
Location: Oxford
Status: Offline
Posts: 1834
Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 17 May 2019 at 09:56
As an added note, Stereo Photo Maker is a very forgiving tool. I took some pairs yesterday with my zoom lens set inadvertantly at 23mm and the prime at 30mm. After a longer than usual processing action I was given a pair of pictures that still worked to give good depth illusion. Phew.
Howard Stanbury Instagram | Flickr | Web
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