Pentax K-5 II and K-5 II S — by Unknown on June 06, 2013

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Last September Pentax replaced the K-5 with not just one but two new digital SLRs, one without an optical low pass filter (OLPF). Looking...

Canon EF 50mm F1.8 II review — by Unknown on

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The Canon EF 50mm F1.8 II is the least expensive lens currently available for the EOS system, and has been in the lineup since late 1990....

Macro Lens Buying Tips — by Unknown on

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The most delicious way to practice macro photography is to buy a macro lens. Macro lens is a lens that is specifically designed to shoo...

Understanding Lens Aperture Numbers — by Unknown on

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In this article we will try to understand the meaning of numbers in the lens aperture, and why the larger lens aperture (the smaller the f n...