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In 1953, Tokyo Kogaku again introduced a 35mm camera.
This time with a larger body and an interchangeable 80mm/5.6 lens.
Topcon 35B with coupled rangefinder appeared two years later.
It only coupled to the standard lens. One had to adjust distance scale
by the knob on the right shoulder of the camera and transfer the
reading to the distance scale on the 80mm lens.
Topcon 35A with 80mm lens and viewfinder.
Lens thread of Topcon A/B are identical to Minion 35s.
They might have had plans for interchangeable lens at the
begining of postwar camera production. But I haven't
tried a Topcon 35 lens on a Minion 35 for interchangeability yet.
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| (left) Topcon 35A w/Topcor 4.2cm/3.5 and (right) early Topcon 35A w/TOKO 4cm/3.5 Two bodies look almost identical. The only difference I could found was the width of the knurled ring around the shutter button. The earlier model has a slightly narrower ring. |
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| (left) Topcor 4.2cm/3.5 for Topcon 35B, (center)Topcor 4.2cm/3.5 for Topcon 35A and (right)TOKO 4cm/3.5 for early Topcon 35A All three lenses are interchangeable but the barrels look different. |