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Dozens of Old Lens Models Are Found to Contain Some Radioactivity

Camerapedia recently published a list of 54 lenses that contain some radioactivity and if you use any of them regularly, it is necessary to take note. Some old cameras manufactured between the 1940’s and 1970’s used thorium glass elements. Thorium oxide was considered as a useful material to reduce dispersion and improve refraction. This allowed […]

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Sigma’s USB Dock for Lenses Will be Released This Month

Sigma first unveiled its innovative USB dock at Photokina last year. Consequently, many professionals have been rather curious at how the device will work. For $60, the gadget allows people to connect their lens to the computer through USB connection. They can perform micro adjustments to the autofocus feature as a way to tweak the […]

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Canon Is Preparing A 35 Mm EF Cinema Lens With Fixed-Focal-Length

Canon is working on a 35mm aimed for large-format digital cameras with single sensor. Included in Canon EF Cinema family, the new lens will serve requirements between 24mm and 50mm focal lengths. The lineup is intended to deliver superb optical performance on various focal lengths. The Cinema EOS System family was unveiled for the first […]