Difference between revisions of "Tōkyō Kōgaku lenses in Leica screw mount"
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− | + | [[Topcon|Tōkyō Kōgaku]] (the later [[Topcon]]) made lenses in [[39mm screw lenses|39mm Leica mount]] for some Japanese Leica copies, mainly the [[Leotax]]. All were all chrome unless noted. The chronological order is State - C Simlar - Simlar - Topcor - Topcor S. | |
* 35/2.8 Topcor, sold with a very big external finder | * 35/2.8 Topcor, sold with a very big external finder | ||
* 50/3.5 State (collapsible) | * 50/3.5 State (collapsible) | ||
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== Links == | == Links == | ||
− | * [http://www003.upp.so-net.ne.jp/Topconclub/lens6.htm 39mm lenses | + | In Japanese: |
+ | * [http://www003.upp.so-net.ne.jp/Topconclub/lens6.htm Tōkyō Kōgaku 39mm screw lenses] at the [http://www003.upp.so-net.ne.jp/Topconclub/ Topcon Club website] | ||
[[Category: 39mm screw mount]] | [[Category: 39mm screw mount]] | ||
[[Category: Japanese lenses]] | [[Category: Japanese lenses]] | ||
[[Category: Topcon]] | [[Category: Topcon]] |
Revision as of 18:26, 12 January 2007
Tōkyō Kōgaku (the later Topcon) made lenses in 39mm Leica mount for some Japanese Leica copies, mainly the Leotax. All were all chrome unless noted. The chronological order is State - C Simlar - Simlar - Topcor - Topcor S.
- 35/2.8 Topcor, sold with a very big external finder
- 50/3.5 State (collapsible)
- 50/3.5 C Simlar (collapsible)
- 50/3.5 Simlar (collapsible)
- 50/3.5 Topcor (collapsible), diaphragm ring around the front lens, then around the barrel
- 50/3.5 Topcor K (rigid), aluminium barrel and knurled rings
- 50/2.8 Topcor, black and chrome finish
- 50/2 Topcor
- 50/2 Topcor S, chrome, then black and chrome, then black with aluminium barrel
- 50/1.8 Topcor S, black finish
- 50/1.5 Simlar
- 50/1.5 Topcor
- 90/3.5 Topcor, aluminium barrel and knurled rings, sold with an external finder
- 135/3.5 Topcor, aluminium barrel, sold with an external finder with 50/90/135 frames
Links
In Japanese: