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Images taken in a controlled environment or with a posed subject. All subject types.

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Beatsy
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Location: Malvern, UK

Mixite

Post by Beatsy »

Small mineral sample shot with a 7.5x Mitty @ 7.5x in APS-C crop mode.

Image
Image

JL
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Location: Houston, Tx

Post by JL »

Nice stereo pair :D

grgh
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Joined: Sat Mar 09, 2013 4:55 am
Location: Lancashire. UK

Post by grgh »

Another stereo pair that i can see properly.

I have so much trouble over the years trying to resolve all the stereo shots posted in the forum.

now I seem to be getting able, to resolve certain shots, but not all?

still wondering, had eyes checked out, new glasses prescribed so it could be the reason, just a guess on the last part.

any one else have trouble with some stereos and not others?
used to do astronomy.
and photography.
Zeiss Universal Phase contrast.
Zeiss PMII
B&L stereo zoom.

rjlittlefield
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Post by rjlittlefield »

Nicely shot -- and of course thanks for the stereo!
grgh wrote:any one else have trouble with some stereos and not others?
I can lock up pretty much anything, but some are easier than others.

Easiest are the ones that have lots of fine sharp detail, like this scene.

I usually push my own stereos to the edge of over-sharpening, just because they lock up best that way. I figure that even if I do over-sharpen the stereos by a bit, that's no big deal because they're usually presented together with a larger single image of the same subject, which is sharpened differently for that presentation.

--Rik

pbraub
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Joined: Fri Feb 02, 2018 1:23 pm

Post by pbraub »

Thank you for the beautiful image and the impressive stereo!

Geopressure
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Post by Geopressure »

A dandy shot of a rare mineral...do you know where it's from?

iconoclastica
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Location: Wageningen, Gelderland

Post by iconoclastica »

grgh wrote:any one else have trouble with some stereos and not others?
I can't see this one. Actually, I can do very few. Often when I can see depth in a pair, the other pairs of the same maker work for me too.

Also noticed that on a tablet screen it is less difficult than on the computer monitor.
--- felix filicis ---

Troels
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Post by Troels »

Iconoclastica:
grgh wrote:
any one else have trouble with some stereos and not others?

I can't see this one. Actually, I can do very few. Often when I can see depth in a pair, the other pairs of the same maker work for me too.

Also noticed that on a tablet screen it is less difficult than on the computer monitor.
In my experience two factors determine the difficulties involved in stereo gazing:

1) The apparent angle between the center of the two pictures: this is a combination of the width of the pictures and the viewing distance. Narrow pictures and/or greater viewing distance makes it easier.

2) The distribution and number of distinct details: The eyes should be able to identify at least one distinct detail/object in each picture even when it is somewhat out of focus.

That makes viewing the 3D picture difficult if:
a: There are only details with low contrast
b: There are many different details in each picture looking the same when out of focus
c: There is a pattern of distinct details repeated with equal horizontal ditances.

Our brain must be able to pick a detail in one picture and match it with he same detail in the other picture to get the eyeball pointing correct.
That is why it helps adding a contrasty border around each picture. Then the brain can choose to get at least the frames correctly aligned. Then the rest comes easily.
Troels Holm, biologist (retired), environmentalist, amateur photographer.
Visit my Flickr albums

nanometer
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Joined: Sat Apr 30, 2016 10:14 pm
Location: Tucson, AZ

Post by nanometer »

Awesome shot of an interesting scene, and the stereo is really nice.

micro_pix
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Location: Southampton, Hampshire, UK

Post by micro_pix »

Very nice, love the stereo, I always worry that the wind will change while I’m looking at a stereo pair.

Dave

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