MTF Tests of the Tamron 17-28mm and 28-75mm f/2.8 Di III RXD Lenses


Tamron has a nice set of three f/2.8 zooms for Sony E mount cameras. Today I’m putting out MTF results for the 17-28mm f/2.8 Di III RXD and the 28-75mm f/2.8 Di III RXD. They offer a reasonably priced alternative to Sony-branded lenses, and Tamron has been making good products lately. I’ll admit to a […]

Shutter Speed 101

How To's

Photography Fundamentals – How Shutter Speed Changes Your Photos


Last week, I spoke to you about aperture, and how it correlated with the exposure triangle, and how aperture changes your images’ depth of field. That article was just part one of a three-part series that goes over the fundamentals of the exposure triangle, and how each of these settings changes different aspects of your […]

Guide to Understanding Aperture


Photography Fundamentals – How Aperture Changes Photos


We cover a lot of things over here on the Lensrentals blog, and most of them teeter on the technically advanced edge of the scale. From measuring the flange distance on cameras down to the fraction of a millimeter to performing light tests to check the accuracy of color shift throughout power ranges, we’ve done […]


The Great Flange-to-Sensor Distance Article. Part II: Photo Cameras


If you’re a photo shooter, chances are you didn’t read Part I of this series on Cine Cameras. If you’re at all interested in the methodology, you should give it a glance, because I’m not going over that again. Today I’m going to just talk about photo bodies and what we found measuring flange-to-sensor distance.   Well, how did […]

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