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Introducing the Optical Bench

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Note: This is a Geek article. If you aren’t into geeky stuff, you won’t be into this. “We take a step back so that we may leap further.” African proverb I wrote a post a couple of weeks ago about our first copies of the Sigma 50mm Art lens, and promised to follow up when […]

Lenses and Optics

MTF – The English Translation

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This post contains absolutely no mathematics. Explaining MTF without math is sort of like doing a high-wire act without a net. It’s dangerous, but for any number of reasons is more likely to keep the audience interested. Why Am I Doing This Again? I wrote an article on reading MTF charts several years ago. It […]

Other

Yet Another Sigma 50mm Art Post

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I suspect I’ll never be on any manufacturer’s “early review copy” list for new lenses. There are already plenty of good early lab reviews on the eagerly awaited Sigma 50mm f/1.4 Art lens at SLRGear, Lenstip, and DPReview, among others. So when we received our first Sigma 50 f/1.4 Art lenses for rental stock I […]

Lenses and Optics

A Look at Stopping Down

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  We all know that aberrations affect points of light off-center, making them blurred. We all know that some aberrations are worse the farther away from center we go. And we know that some aberrations are improved when we reduce the aperture. Some of us even know the various rules-of-thumb for what makes an aberration […]

Lensrentals News and Alerts

Introducing Lenscap+

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In 2006, Lensrentals was the very first photographic rental company to offer an optional damage waiver program to its customers. Since then, we have continued to develop innovative options for our renters like the Lensrentals HD subscription shipping program. Since the introduction of the damage waiver, one of the most common requests we’ve received is […]

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