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PaulC
Joined: 23 Dec 2008
Posts: 2318
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 Posted: Thu Feb 19, 2009 7:02 pm Post subject: Voigtar f7.7, 10.5cm test (on film) |
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PaulC wrote:
This is a bottom-of-the-line folding camera lens, mounted on a 1935 Bessa, which boasts shutter speeds of 1/25 and 1/75, T and B.
The image has had its contrast increased, the original was very "flat" no doubt partly due to the lens but probably also partly because of the exposure (which was guessed).
And here is a 100% crop of the gate area. At this resolution, a print would be 2.4 meters wide (approx eight feet)
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Thu Feb 19, 2009 7:48 pm Post subject: |
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Attila wrote:
I suppose this is a great result from a camera what is made around 1920-30, thank you for sharing!
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estudleon
Joined: 15 May 2008
Posts: 3754
Location: Argentina
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| Posted: Thu Feb 19, 2009 10:12 pm Post subject: |
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estudleon wrote:
If I don't remember bad, this lens is a 3 element uncoated. The all the times economic voigtlander's lens. The voigtar 50 mm/2,8 was used in 24 x 36 with the rangefinders (vitoret, etc) too in the same league bottom of the line. The lanthar 50/2,8 was a bit refined lens.
Did you try the voigtar in nights pics (with lenshade too)?
Thanks. Rino.
_________________
Konica 2,8/100
CZJ: 4/20, 2,4/35, 1,8/50 aus jena, 3,5/135MC, Pentacon 1,8/50
Pentax S-M-C-1,4/50
Helios 44-3
Mamiya 2,8/135
Misc. : jupiter 9
Stuff used:
A) SRL
Alpa 10 D - kern macro Switar 1,9/50 -black, Kilffit apochromat 2/100.
Asahi pentax spotmatic super takumar 1,4/50
Contaflex super B tessar 2,8/50 Pro-tessar 115
Leica R3 electronic summicron 2/50 elmarit 2,8/35
Konica Autoreflex 3 (2 black and chrome one), TC, T4. 2,8/24, 3,5/28 not MC and MC, 1,8/40, 1,4/50, 1,7/50 MC and not MC, 1,8/85, 3,2/135, 3,5/135, 4/200
Minolta XG9 2,8/35, 2/45, 3,5/135
Nikkormat FTn 1,4/50, 2,8/135
Fujica ST 801, 605, 705n. 3,5/19, 1,4/50, 1,8/55, 4/85, 3,5/135.
Praktica MTL 5 and a lot of M42 lenses.
Voigtlander. Bessamatic m, bessamatix de luxe, bessamatic cs, ultramatic and ultramatic cs.
Skoparex 3,5/35, skopagon 2/40, skopar 2,8/50, skopar X 2,8/50, super lanthar (out of catalogue) 2,8/50, dinarex 3,4/90, dinarex 4,8/100, super dinarex 4/135, super dinarex 4/200, zoomar 2,8/36-83, portrait lens 0, 1 and 2. Curtagon 4/28 and 2,8/35
Canon AV1, 1,8/50
Rolleiflex SL35 and SL35 E. 2,8/35 angulon, 2,8/35 distagon, 1,4/55 rolleinar, 1,8/50 planar, 4/135 tessar, 2,8/135 rolleinar, x2 rollei, M42 to rollei adap.
Etc.
RF
Yashica Minister III
Voightlander Vito, vitomatic I, Vito C, etc.
Leica M. M2, M3 (d.s.) and M4. Schenider 3,4/21, 2/35 summaron 2,8/35 (with eyes). Summicron 2/35 (8 elements with eyes), 2/35 chrome, 2/35 black, 1,4/35 pre asph and aspheric - old -, 2/40 summicron, 2,8/50 elmar, 2/50 7 elements, 2/50 DR, 2/50 - minolta version, 1,4/50 summilux 1966 version, 1,4/75 summilux, 2/90 large version, 2/90 reduced version of 1987, 2,8/90 elmarit large version, 4/135 elmar. |
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PaulC
Joined: 23 Dec 2008
Posts: 2318
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| Posted: Thu Feb 19, 2009 10:28 pm Post subject: |
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PaulC wrote:
No, I have only run one film through it quickly between jobs in the middle of the day (not the best time). I got one double-exposure, five grossly over-exposed, one with motion blur where I knocked the tripod and this one that worked. Not a very impressive record!
I am not sure if the shutter got more accurate towards the end of the test or the light levels dropped a bit. I need to check the exposure results using a meter.
Yes, it is uncoated with three elements. I think the resolution is extremely good as it even shows the lines in the light-globe supports behind the gate. It would be interesting to see what sort of resolving power one of these would have on a high-megapixel DSLR, where scan softness and film grain didn't confuse the issue.
I don't have a proper lenshade, I shaded it with my hand as far as possible.
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estudleon
Joined: 15 May 2008
Posts: 3754
Location: Argentina
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| Posted: Thu Feb 19, 2009 11:17 pm Post subject: |
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estudleon wrote:
| PaulC wrote: |
| I think the resolution is extremely good as it even shows the lines in the light-globe supports behind the gate. It would be interesting to see what sort of resolving power one of these would have on a high-megapixel DSLR, where scan softness and film grain didn't confuse the issue. |
Interesant for me too. If you do, post it please.
Rino.
_________________
Konica 2,8/100
CZJ: 4/20, 2,4/35, 1,8/50 aus jena, 3,5/135MC, Pentacon 1,8/50
Pentax S-M-C-1,4/50
Helios 44-3
Mamiya 2,8/135
Misc. : jupiter 9
Stuff used:
A) SRL
Alpa 10 D - kern macro Switar 1,9/50 -black, Kilffit apochromat 2/100.
Asahi pentax spotmatic super takumar 1,4/50
Contaflex super B tessar 2,8/50 Pro-tessar 115
Leica R3 electronic summicron 2/50 elmarit 2,8/35
Konica Autoreflex 3 (2 black and chrome one), TC, T4. 2,8/24, 3,5/28 not MC and MC, 1,8/40, 1,4/50, 1,7/50 MC and not MC, 1,8/85, 3,2/135, 3,5/135, 4/200
Minolta XG9 2,8/35, 2/45, 3,5/135
Nikkormat FTn 1,4/50, 2,8/135
Fujica ST 801, 605, 705n. 3,5/19, 1,4/50, 1,8/55, 4/85, 3,5/135.
Praktica MTL 5 and a lot of M42 lenses.
Voigtlander. Bessamatic m, bessamatix de luxe, bessamatic cs, ultramatic and ultramatic cs.
Skoparex 3,5/35, skopagon 2/40, skopar 2,8/50, skopar X 2,8/50, super lanthar (out of catalogue) 2,8/50, dinarex 3,4/90, dinarex 4,8/100, super dinarex 4/135, super dinarex 4/200, zoomar 2,8/36-83, portrait lens 0, 1 and 2. Curtagon 4/28 and 2,8/35
Canon AV1, 1,8/50
Rolleiflex SL35 and SL35 E. 2,8/35 angulon, 2,8/35 distagon, 1,4/55 rolleinar, 1,8/50 planar, 4/135 tessar, 2,8/135 rolleinar, x2 rollei, M42 to rollei adap.
Etc.
RF
Yashica Minister III
Voightlander Vito, vitomatic I, Vito C, etc.
Leica M. M2, M3 (d.s.) and M4. Schenider 3,4/21, 2/35 summaron 2,8/35 (with eyes). Summicron 2/35 (8 elements with eyes), 2/35 chrome, 2/35 black, 1,4/35 pre asph and aspheric - old -, 2/40 summicron, 2,8/50 elmar, 2/50 7 elements, 2/50 DR, 2/50 - minolta version, 1,4/50 summilux 1966 version, 1,4/75 summilux, 2/90 large version, 2/90 reduced version of 1987, 2,8/90 elmarit large version, 4/135 elmar. |
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PaulC
Joined: 23 Dec 2008
Posts: 2318
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| Posted: Fri Feb 20, 2009 9:00 am Post subject: |
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PaulC wrote:
After the trouble I had replacing the shutter in the bellows after cleaning it, I won't be taking it out again unless the camera breaks.
If I get another broken Bessa and need to take the shutter out, then I'll try it out with Canon's bellows unit.
_________________
View or buy my photos at:
http://shutterstock.com/g/paulcowan |
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