Category Variation Measurements for Wide-Angle Lenses | Lensrentals Blog

Lenses and Optics

Variation Measurements for Wide-Angle Lenses

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When we started this series, we introduced our methods using 24mm lenses, then followed up with looks at the 50mm and 35mm groups. Today we’re going to go back to the wide-angle lenses; the ones we expect to have the most variation of all. We probably should call this post the Zeiss Invitational, since they […]

Lenses and Optics

Variance Measurement for 35mm SLR Lenses

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Last week we posted optical bench MTF and copy-to-copy variation measurements for 50mm SLR lenses. We’re going to continue that series this week with the same measurements for the 35mm lenses. This set should fill out the wide-to-standard range lenses and gives us a lot of interesting data as we continue to look at what factors […]

Equipment

Measuring Lens Variance

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Warning: This is a Geek Level 3 article. If you aren’t into that kind of thing, go take some pictures. I’ve been writing and discussing the copy-to-copy variation that inevitably occurs in lenses since 2008. (1,2,3,4) Many people don’t want to hear about it. Manufacturers don’t want to acknowledge some of their lenses aren’t quite as […]

Lenses and Optics

Sony FE 90mm f/2.8 G OSS Resolution Test

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We got a pre-release set of Sony FE 90mm f/2.8 G OSS Macro lenses in for preliminary testing last week, and I was kind of excited about this lens for a couple of reasons. First it simply gives me a nice short telephoto prime option that has been lacking in the lineup (although the Zeiss […]

Lenses and Optics

Just the Lenses: Sigma 24 f/1.4 Art Comparison

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Most of you know I’ve been very impressed with Sigma’s new Art lenses. Their 35mm f/1.4 Art I still think is the sharpest 35mm prime lens made. The 50mm f/1.4 Art is also superb. When I heard about the Sigma 24mm f/1.4 Art lens, I had some mixed emotions. I was excited that we might […]

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