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Technical Discussions

Lens Repair Data 3.5

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What Is This? It is our practice to publish our lens repair data every 6 months (data published in May of 2009 is shown in Lens Repair Data 3.0). We started it at the request of some customers who felt that the large number of lenses we deal with and the harsh conditions they are […]

Lenses and Optics

Fast Lenses: A Primer

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by Stephen Michael Garey What is a Fast Lens? A fast lens is any lens of any type and focal length that has an aperture design capable of opening to f/2.8 or wider. There are fast lenses currently available that open as wide as f/1.2, and there are any number of popular lenses that open […]

Technical Discussions

Comparing Supertelephotos: Canon and Nikon

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We wanted people who have never handled supertelephoto lenses to be able to gauge their size and weight. So, here’s a comparison of Canon Supertelephoto lenses: And here’s a comparison of Nikon Supertelephoto lenses: Enjoy! Mike Henry Lensrentals.com More Lensrentals Articles

Equipment

Supporting Supertelephoto Lenses

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Take a look at a video we put together to explain the different options people have to support their supertelephoto lenses. Enjoy! Mike Henry Lensrentals.com More Lensrentals Articles

Lenses and Optics

Have You Seen My Acutance?

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Have you seen my acutance? A few words about sharpness and MTF charts Many of you know one of my pet peeves is strident internet arguments between photographers who are splitting hairs or misinformed. One major cause of these arguments is terminology: people use a nonspecific term which means something different to each of them. […]

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