Topcon, Tokyo Kogaku RE. Auto-Topcor 20mm f/4 (SN: 1350639) Camera lens
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Current bid
€ 320
Reserve price met
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Selected by Edwin Molenaar
Has over 15 years' experience in photography and camera building, formerly a trader.
Estimate € 380 - € 430
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 Bidder 7791 | €320 |
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RE. Auto-Topcor 20mm f/4 (SN: 1350639) in good cosmetic condition and tested to be in working order.
AI-assisted summary
Description from the seller
Re: Auto-Topcor 20mm f/4 in excellent working condition (fully tested).
COSMETIC ELEMENTS: 4/5
Clear markings on the front ring, aperture ring, and lens barrel.
Medium scratches on some parts of the barrel.
Focus rubber ring in okay condition, with some yellow discoloration around it.
Overall, the lens is well preserved and shows medium use.
Mechanical elements: 5/5
The aperture ring is smooth and clicky in classic RE.Auto-Topcor fashion.
Blades free of grease, no deformation, and moving freely.
The focus ring is smooth and linear (no bump, no stoppage, etc.).
OPTICAL ELEMENTS: 3.5/5
Front and back glass elements show no fungus or haze.
Minimal dust inclusion.
The outermost parts of the front element show small dents or impacts less than 1mm in size. They are unnoticeable and unlikely to even appear in the lens's image circle.
- Visible to the naked eye (see pictures) are superficial and soft scratches on the exterior of the first glass element. These do not appear to cause adverse flaring or any loss of contrast (tested).
Original topcon rear and front cap included + topcon branded leather case.
FOCAL LENGTH: 20mm
APERTURE: f/4 to f/22 (half-clicks)
Number of blades: 6
Optical design: 8 elements in 6 groups, single-coated.
MFD: 0.3m (may be reduced with the use of a helicoid adapter)
FILTER THREAD: Ø62mm + Series 9
MOUNT: Topcon/Exakta/Beseller
ADAPTABILITY: full-frame mirrorless, APS-C, MFT, etc., via adapter.
S/N: 1350639 (1969)
Flange distance: 44.7mm
WEIGHT: approximately 215g
Construction: all-metal barrel, rubberized grip.
Worldwide tracked delivery with FedEx.
Re: Auto-Topcor 20mm f/4 in excellent working condition (fully tested).
COSMETIC ELEMENTS: 4/5
Clear markings on the front ring, aperture ring, and lens barrel.
Medium scratches on some parts of the barrel.
Focus rubber ring in okay condition, with some yellow discoloration around it.
Overall, the lens is well preserved and shows medium use.
Mechanical elements: 5/5
The aperture ring is smooth and clicky in classic RE.Auto-Topcor fashion.
Blades free of grease, no deformation, and moving freely.
The focus ring is smooth and linear (no bump, no stoppage, etc.).
OPTICAL ELEMENTS: 3.5/5
Front and back glass elements show no fungus or haze.
Minimal dust inclusion.
The outermost parts of the front element show small dents or impacts less than 1mm in size. They are unnoticeable and unlikely to even appear in the lens's image circle.
- Visible to the naked eye (see pictures) are superficial and soft scratches on the exterior of the first glass element. These do not appear to cause adverse flaring or any loss of contrast (tested).
Original topcon rear and front cap included + topcon branded leather case.
FOCAL LENGTH: 20mm
APERTURE: f/4 to f/22 (half-clicks)
Number of blades: 6
Optical design: 8 elements in 6 groups, single-coated.
MFD: 0.3m (may be reduced with the use of a helicoid adapter)
FILTER THREAD: Ø62mm + Series 9
MOUNT: Topcon/Exakta/Beseller
ADAPTABILITY: full-frame mirrorless, APS-C, MFT, etc., via adapter.
S/N: 1350639 (1969)
Flange distance: 44.7mm
WEIGHT: approximately 215g
Construction: all-metal barrel, rubberized grip.
Worldwide tracked delivery with FedEx.
Details
Era
1900-2000
Lens mount type
topcon
Brand
Tokyo Kogaku, Topcon
Model/ type nr
RE. Auto-Topcor 20mm f/4 (SN: 1350639)
Physical condition
Good
Functional condition
Tested and working
Estimated Period
1960-1970
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