A Sonnar Shot A Day

Brambling said:
I have the same one, only black, I really like this form factor of the case for some inexplicable reason.
The case, color and M39-M42 changed at the turn of 1967-1971.
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Agree the form factor is quite nice. It suits the lens. I actually sold my rangefinder version once I got this copy because it’s more attractive and I’m not fussed with how “long” the RF version is
 
It seems to me that this picture clearly shows the difference between old and new lenses, the disadvantages of the old ones, which are their advantages, but make their practical use difficult. Write that I think wrong and I will stop thinking so.
These thoughts came to me precisely when using Sonnars.
(The picture is very conditional and dimensionless, I dreamed about it about 10 years ago)
🤓
сравнение новых и старых обьективов.jpg
 
Brambling said:
It seems to me that this picture clearly shows the difference between old and new lenses, the disadvantages of the old ones, which are their advantages, but make their practical use difficult. Write that I think wrong and I will stop thinking so.
These thoughts came to me precisely when using Sonnars.
(The picture is very conditional and dimensionless, I dreamed about it about 10 years ago)
🤓
View attachment 4863396
Click to expand...
The Sonnar is like a Roller Coaster. Double-Gauss lenses, more like a Family Sedan.





From a book on Optics from the 1940s.
 
Hey now, get the right gauss derivative (Summitar, Chiyoko Super Rokkar 50/2) and you can have some fun wide open. Not an exciting picture but it shows the OOF nicely:

L1002077-1.jpg



Of course, it depends on your idea of a family sedan 😈 my mother owned a Sport Fury with a 383 & a four barrel and later a gold '77 Trans Am with the 6.6 liter V8 that I once used to make the run from downtown Minneapolis to Eau Claire, Wi in an hour and that was Canonball Run level insane.

My semi-hotrod V-6 convertible is almost tame compared to her cars 🤣
 
Double Gauss "Swirlies"- astigmatism. Astigmatism vs flatness of field is the trade-off.
Field curvature is like an optical roller-coaster.
Swirlies- like the family sedan with soft suspension going around a tight curve.
 
I wonder if the astigmatism that goes along with my farsightedness (we'll leave my iffy color vision out of this for now heh) when my glasses are off are why I enjoy the swirlies of the less well behaved gauss types? And why the more well behaved ones are just so ... boring? A matter of taste, I'm sure.
 
U12155.1746724054.0.JPG

taken today, thursday, may 8th 2025 with my vario-sonnar
 
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