Tampilkan postingan dengan label 75mm. Tampilkan semua postingan
Tampilkan postingan dengan label 75mm. Tampilkan semua postingan
Kamis, 29 Agustus 2019
Rabu, 22 Februari 2017
Jumat, 03 Juni 2016
Jumat, 13 Mei 2016
Selasa, 05 Januari 2016
Senin, 07 September 2015
Bell & Howell 3'/f2 Incra-Lite
It's appearance remind me of Taylor Hobson 16mm projector series. I thought it's TTH lens. But it turned out it's made in USA.
16mm projector lenses usually have same character, most of them have swirly OOF and sharp at center only. However, there's exception that some of them can make sharp image at edges, well of course not as sharp as at center. My A Seibert Wetzlar 75/1,6 is one of them. I was surprised to know that this lens is one of the few one.
here's edge sharpness sample

16mm projector lenses usually have same character, most of them have swirly OOF and sharp at center only. However, there's exception that some of them can make sharp image at edges, well of course not as sharp as at center. My A Seibert Wetzlar 75/1,6 is one of them. I was surprised to know that this lens is one of the few one.
here's edge sharpness sample

Senin, 02 Februari 2015
Kern-Paillard Yvar 75/2,8 AR
This lens is from Bolex cine camera.
It has C mount mount.
Common character of this C mount type lens is sharp at center only when it's being used in digital camera, APSC or m4/3. edges will get swirled and very soft.
It doesn't happen with this lens.
This image below shows on left side still has detail.
Bokeh type is not so special, but looks good for a f2,8 maximum aperture lens.
The lens has some fungus and haze
So I must avoid strong light
I think it's nice for portrait lens.
It has C mount mount.
Common character of this C mount type lens is sharp at center only when it's being used in digital camera, APSC or m4/3. edges will get swirled and very soft.
It doesn't happen with this lens.
This image below shows on left side still has detail.
Bokeh type is not so special, but looks good for a f2,8 maximum aperture lens.
The lens has some fungus and haze
So I must avoid strong light
I think it's nice for portrait lens.
Sabtu, 24 Januari 2015
Bausch & Lomb Super Cinephor E.F. 3.00in (76.2mm) f/1.8
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All shot with NEX5+Helicoid adapter, wide open (no aperture added yet)
Selasa, 18 Maret 2014
A. Seibert Wetzlar 75/1,6
Projection lens made for Emo, by Seibert of Wtzlar West Germany.
Information from Martin Tai (http://photo.net/minox-camera-forum/003HX0?start=0)
Arthur Seibert (
1906- 1980) was
Ernst Leitz lens designer from 1920 to 1947.
In 1948 Seibert left Leitz and undertook the task
of designing a subminature lens for Minox camera .
Arthur Seibert was a great optics designer, his most famous designs were the five element Pentar lens of Minox II and the COMPLAN lens for Minox III/IIIs/B, and early Minox C. The Pentar and COMPLAN are still two of the sharpest subminature lenses-- in fact the sharpest of any commercial photographic lenses
In 1951, Arthur Seibert formed his own optik company
This lens was designed for 16mm film projector. Usually such lens only has sharp in center. But this lens has sharpness in edge too, like Kern 75/2,8 cmount.
Information from Martin Tai (http://photo.net/minox-camera-forum/003HX0?start=0)
Arthur Seibert was a great optics designer, his most famous designs were the five element Pentar lens of Minox II and the COMPLAN lens for Minox III/IIIs/B, and early Minox C. The Pentar and COMPLAN are still two of the sharpest subminature lenses-- in fact the sharpest of any commercial photographic lenses
In 1951, Arthur Seibert formed his own optik company
This lens was designed for 16mm film projector. Usually such lens only has sharp in center. But this lens has sharpness in edge too, like Kern 75/2,8 cmount.
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