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MTO 350mm/5.6 on A7

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Printed on: 5/7/2026 2:42:02 PM


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Topic author: Moxies

Posted on: 20170704175848

Hi!
Since this lens is not really common (214 exemplars produced from 1956 to 1959 (zenitcamera), I thought it might interest you to see how it performs.
Caracteristics are pretty low for this lens. On Zenitcamera it says 30/7 l per mm (center/edge). On my passport it's even 28/5.
And it's true, it's pretty bad out of the center, I guess it's why they decided afterward that this lens was suitable only for 18x24 (again from what I read on zenitcamera).

Still, I cannot say it's a pain to use it, rendering is pleasant, colors are good, lens is pretty capable, just don't try to focus not in center.

https://img-fotki.yandex.ru/get/226827/18405597.93/0_17515c_1bfc33a0_XXL



https://img-fotki.yandex.ru/get/9488/18405597.93/0_175159_7a92fce7_XXL



https://img-fotki.yandex.ru/get/236988/18405597.92/0_174ca4_539656d5_XXL



https://img-fotki.yandex.ru/get/243369/18405597.92/0_174ca3_f5c87aad_XXL



https://img-fotki.yandex.ru/get/133483/18405597.92/0_174ca2_306de2c6_XXL



https://img-fotki.yandex.ru/get/230197/18405597.92/0_174c9f_5a1b8ef_XXL



Replies

Reply author: Jacques M.

Replied on: 20170707065140


Thanks for the photos and your explanations, Pierre.
Sure that the background on the first photos is rather "hard"...

Amitiés. Jacques.

Reply author: seany65

Replied on: 20170711181105

Your photos look quite good to me Moxies. Just shows what can be acheived when the limitations of the equipment are taken into account.

Reply author: rkaipov

Replied on: 20170713113917

Hello Pierre,

I would like to add some points.
My impression is the same, the lens is sharp on the center and poor on the edge, we compared it to ZM-7K 300mm and to Tair-3 300mm, the center is comparable to Tair which is considered to be a very sharp lens, the edge is the worst among all three lenses. I saw the version about the 18x24 frame but at that time in 1950-s there were no half-frame SLR cameras as far as I know.
About 214 exemplars, the year 1958 is missing on that list, my lens has the number 5816, probably we can add 16 more exemplars to the known 214

Reply author: Moxies

Replied on: 20170713131758

Thanks for your additional points!
I was wondering if exist from 1958.