Equipment
We’ve spent most of the last month establishing a database of MTF curves and expected copy-to-copy variation for a number of lenses. Most people have a general idea about what we’re doing, can follow along the basics of MTF curves, etc. But many other people also have a very good question, “How much of a […]
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Lensrentals News and Alerts
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Equipment
Courtesy Tokina, USA Tokina is releasing a new competitor in the 24-70mm f/2.8 standard zoom lens group. It’s a reasonably sized lens, having an 82mm diameter front ring, measuring 4.25 inches long, and weighing 2.2 pounds. That’s just a bit smaller and lighter than the Tamron 24-70mm f/2.8 VC USD or Canon 24-70mm f/2.8 Mk […]
Equipment
Image Courtesy Sigma USA I generally do MTF testing on multiple copies of a given lens so that I can present the averages, look at sample variation, and stuff like that. I’m always aware that looking at any single copy of a lens, especially a zoom lens, gives only a limited prediction of how […]
