Difference between revisions of "Topcon UV lenses"
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* UV Topcor 35mm f/3.5 | * UV Topcor 35mm f/3.5 | ||
* UV Topcor 50mm f/2 <ref>The Unirex was sold with a bespoke silver finished 50mm f/2 lens on the chrome camera bodies, or a standard black barrel lens on the black camera bodies.</ref> | * UV Topcor 50mm f/2 <ref>The Unirex was sold with a bespoke silver finished 50mm f/2 lens on the chrome camera bodies, or a standard black barrel lens on the black camera bodies.</ref> | ||
− | * UV Topcor 50mm f/2 (Hi Topcor)<ref>This lens was supplied with the first version of the IC-1.</ref> | + | * UV Topcor 50mm f/2 (Hi Topcor) <ref>This lens was supplied with the first version of the IC-1.</ref> |
* UV Topcor 50mm f/2.8 <ref>This lens was Supplied with the Unirex EE. Some versions bear the Hi Topcor marking.</ref> | * UV Topcor 50mm f/2.8 <ref>This lens was Supplied with the Unirex EE. Some versions bear the Hi Topcor marking.</ref> | ||
* UV Topcor 53mm f/2 <ref>This lens was supplied with the 100 Auto/Uni and Wink Mirror S.</ref> | * UV Topcor 53mm f/2 <ref>This lens was supplied with the 100 Auto/Uni and Wink Mirror S.</ref> | ||
− | * UV Topcor 55mm f/1.8 (Hi Topcor)<ref>This lens was supplied with the second version of the IC-1.</ref> | + | * UV Topcor 55mm f/1.8 (Hi Topcor) <ref>This lens was supplied with the second version of the IC-1.</ref> |
* UV Topcor 100mm f/4 | * UV Topcor 100mm f/4 | ||
* UV Topcor 135mm f/4 | * UV Topcor 135mm f/4 |
Latest revision as of 10:43, 5 July 2017
UV Topcor 1:2 f=50mm image by Vagn Sloth-Madsen (Image rights) |
The UV mount lenses from Tōkyō Kōgaku were produced from the 1960's specifically for the Topcon Wink Mirror S and Topcon 100 Auto/Uni, and further used by the Unirex and the 1970s IC-1 Auto.
These unique lens designs do not have an aperture setting ring, as this is found on the camera body. The maximum aperture of the lens is "dialed-in" to a camera body mounted control when the lens is first fitted. This sets a maximum aperture parameter for the camera's exposure system. All Topcor UV lenses have a common minimum aperture of f/22.
UV stands for Ultra Violet, as the lenses had a UV coating, and did not need a separate UV filter.
Later variants of standard lenses where marked Hi Topcor.
It appears that the standard lenses all had six elements.
- UV Topcor 28mm f/4
- UV Topcor 35mm f/3.5
- UV Topcor 50mm f/2 [1]
- UV Topcor 50mm f/2 (Hi Topcor) [2]
- UV Topcor 50mm f/2.8 [3]
- UV Topcor 53mm f/2 [4]
- UV Topcor 55mm f/1.8 (Hi Topcor) [5]
- UV Topcor 100mm f/4
- UV Topcor 135mm f/4
- UV Topcor 200mm f/4
Notes
- ↑ The Unirex was sold with a bespoke silver finished 50mm f/2 lens on the chrome camera bodies, or a standard black barrel lens on the black camera bodies.
- ↑ This lens was supplied with the first version of the IC-1.
- ↑ This lens was Supplied with the Unirex EE. Some versions bear the Hi Topcor marking.
- ↑ This lens was supplied with the 100 Auto/Uni and Wink Mirror S.
- ↑ This lens was supplied with the second version of the IC-1.