Category » Lenses and Optics

Sigma 35mm f/1.2 MTF Charts

Lenses and Optics

MTF Tests of the Sigma 35mm f/1.2 DG Art


We just finished testing a couple of 35mm prime lenses and came away quite impressed. But it took a little longer to finish testing the one everyone had been asking about; the Sigma 35mm f/1.2 DG Art lens. I declared the Tamron 35mm f/1.4 SP the sharpest 35mm lens we had tested just a week […]

Focal Length Guide


Helping Determine the Correct Focal Length for Photography & Videography


Here at, we get asked a common question on the daily, which is something to the regards of “I’m shooting X, what do you think the best focal length(s) would be?” By definition, this is an impossible question to answer completely and would need a multitude of variables before we could actually give a […]

70-200mm f/4 MTF Charts

Just MTF Charts

Just the MTF Charts: 70-200mm f/4 Zoom Lenses


We did the 70-200mm f/2.8 lens MTF charts last week, so let’s do the f/4 versions of the same range now. Sports shooters and portrait photographers need that f/2.8 aperture, but many of us, most of the time, are willing to trade that off for smaller-lighter-less expensive f/4 models. So, About f/4 Before we start, let me […]

Cine MTF Charts

Just MTF Charts

Just the Cinema MTF Charts: Tokina and Veydra Primes


The Zeiss post was really long, this one is pretty short. I will mention again, these are less than 10 copy averages; we don’t carry a lot of these lenses. But there’s no MTF data elsewhere for them, so I will put out what we have. A Quick How to on Reading MTF Charts If […]

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