Difference between revisions of "Tōkyō Kōgaku lenses in Leica screw mount"
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− | [[ | + | [[Tōkyō Kōgaku]] (maker of the Topcon cameras) 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) |
Revision as of 12:53, 20 January 2007
Tōkyō Kōgaku (maker of the Topcon cameras) 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
- 9cm f/4 C Simlar[1]
- 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
Notes
Links
In Japanese:
- Tōkyō Kōgaku 39mm screw lenses at the Topcon Club website
- Pages of Nekosan's website:
- C Simlar 9cm f/4
- Leotax page with Tōkyō Kōgaku 39mm screw lenses