Category » Lenses and Optics

Just MTF Charts

Just MTF Charts: Perspective Control Lenses

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I had a little hesitation about whether we should post these. Most people considering a tilt-shift aren’t thinking ‘I want the absolute best sharpness.” Plus what we show is the MTF without the lens tilted or shifted, both of which will affect the resolution to some degree, but you’re probably using them tilted and shifted. […]

Nikon MTF Tests

Just MTF Charts

Just MTF Charts: Nikon Prime Lenses

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We’ll continue our just MTF chart series of posts with the Nikon brand prime lenses. For those of you who have been asking, The Digital Picture is going to add all our MTF graphs to their comparison tool as we release them. That will let you do logical comparisons like ‘is the Sony 135mm f/1.8 […]

Removing Fly from Lens

Geek Articles

Removing a Fly from ‘Weather Sealed’ Canon 70-200mm f/2.8L IS II

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I’ve been doing lens stuff for a long time now. Long time. Trust me; it’s hard to remain polite the 843,911th time some newbie goes into hysterics because there’s dust in their lens. Telling them it doesn’t matter a bit, and that all their other lenses have dust they just can’t see ( because different optics magnify […]

Sony MTF Tests

Just MTF Charts

Just MTF Charts: Sony FE Mount Prime Lenses

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This is the fourth post publishing all of our MTF results so that methodology is consistent and they are easy to find. The previous have been by lens brand. This one is by the mount, since the Zeiss Batis and Loxia lenses fit more naturally here than with the Zeiss SLR lenses. Otherwise, no comparisons, no commentary, just the […]

Sigma Art Series MTF Tests

Just MTF Charts

Just MTF Charts: Sigma Prime Lenses

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This is the third post publishing all of our MTF results so that methodology is consistent and they are easy to find. No comparisons, no commentary, just the test results for you to use and abuse as you see fit. We’ll continue today with the Sigma prime lenses. For those who wonder, the results presented are for EF (Canon) mount […]

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