Quantaray 500mm f8 Mirror
Most Quantaray lenses were made by Sigma and some were made by Tamron and Tokina. This lens performs like a Sigma Mirror lens. It is reasonably sharp if you can hold it steady. It has the typical ringed bokeh we see from mirror lenses. Contrast is surprisingly high. While it is not a Zeiss or even a Tamron in quality, it is still far better than any of the off-brands flooding the market.




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Topcon Filter Size Chart
UV Topcor
28 mm f/ 4 UV Topcor
35 mm f/ 3.5 UV Topcor
50mm f2 UV Topcor
HI Topcor 50 mm f/ 2.8
53mm f2 UV Topcor
100mm f4 UV Topcor
135mm f4 UV Topcor
49mm
49mm
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49mm
49mm
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49mm
Macro Topcor
3cm f3.5
5.8cm f3.5
13.5cm f4
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GN Topcor
35mm f1.8
50mm f1.8
50mm f1.4
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Topcor R
9cm f3.5
13.5cm f3.5
13.5cm f2
20cm f4
30cm f5.6
30cm f2.8
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Auto Topcor (Autokinon)
3.5cm f2.8
5.8cm f1.8
10cm f2.8
13.5cm f3.5
35mm f2.8
58mm f1.8
100mm f2.8
135mm f3.5
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Topcor RE
RE Auto-Topcor 20mm f4
RE Auto-Topcor 25mm f3.5
28mm f2.8
RE Auto-Topcor 35mm f2.8
58mm f3.5
RE Topcor 55mm f1.7
RE Auto-Topcor 58mm f1.8
58mm f1.4
85mm f1.8
100mm f2.8
RE Auto-Topcor 135mm f3.5
135mm f4 Macro
200mm f5.6
300mm f5.6
500mm f5.6
87-205mm f4.7
62mm
62mm
49mm
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52mm
49mm
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49mm
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