The "3d" look has everything to do with the lens
and at the same time
everything to do with the perception of the viewing individual.

We do not all see things the same.  And in fact we do not really see
things in 3d, which is why the movies can be so exciting.  We see things
with a shallow DOF and that helps us with distance, along with other
things that go on in our minds.  It is those other things that create
perception.

But the character of a photograph is determined by the lens formula.
Right now I have 2 lenses that I find "satisfying" to my tastes.
210/5.6 Caltar HR (a Topcor), and 135/4.5 Rodenstock Ysarex (a late model)
The formula of these provides an image formation which I find more than
pleasing.  While the resolution of these is good, I have had older, lower-
quality lenses which do the same thing.  The Caltar is a plasmat design.
The Ysarex is, iirc, a Tessar which uses a special glass.

When it comes to image formation on a 35mm or DSLR, I have seen only
one lens from anyone that produces this type of image formation.  There
may be others which I have not see.  But the samples shown from the
Pentax new 55/1.4, with its modified formula, exhibit that character.
http://www.bdimitrov.de/kmp/lenses/primes/normal/DA55f1.4.html
Now for some extra money in the budget ...
Anyone want to buy an Osborne Executive? 

Sincerely, 

Collin Brendemuehl 
http://kerygmainstitute.org 

"He is no fool who gives what he cannot keep to gain what he cannot lose" 
-- Jim Elliott 






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