USM

Mamiya Sekor 55mm F/1.4 USM Lens Review

2000 1125 Albert Silver

Albert Silver reviews the Mamiya Sekor 55mm F/1.4 fast prime universal screw mount lens on film and digital cameras.

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Rubinar 1000mm Mirror Lens Review

2400 1350 James Tocchio

In MotoGP, the world’s highest level of professional motorcycle racing, the bikes that riders ride are called liter bikes because their motors have an engine displacement of 1,000 cubic centimeters (cc). Since cubic centimeters are…

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