Category » Geek Articles

Sony MTF Testing 24-105mm

Geek Articles

MTF Tests of the Sony FE 24-105mm f/4 OSS

By

Or ‘My Last 24mm-105mm Lens Test Ever’ Obviously, I have angered the Lens Testing Gods, since for the second post in a row I’m testing 24-105mm f/4 lens; this time the Sony 24-105mm f/4 OSS lens. As I’ve mentioned in the post on the Sigma 24-105mm f/4 many initials Art lens, while these are indispensable photographic […]

Sigma 24-105mm f/4 Art Series MTF Tests

Equipment

MTF Testing for the Sigma 24-105mm f/4 DG OS HSM Art Series Lens

By

I generally let you know what my expectations are before I start, to hopefully let you know where my personal opinion affects things. The fact that I’m just posting tests of the Sigma 24-105mm f/4 DG OS HSM Art months after the lens was released tells you a lot. I’m not excited about testing 24-105mm lenses; it’s […]

Canon 50mm f/1.0 Review

Equipment

Canon’s Ultra Rare Lenses – Using the Canon 50mm f/1.0L

By

A month or so ago, I was able to get my hands on the Canon 200mm f/1.8L Lens and test it for a review on Lensrentals.com. It was an experiment of an article, as often, we try to discuss gear that we can stock and rent out to our customers. With the Canon 200mm f/1.8L […]

Testing Best Sharpness of Cine Lenses

Equipment

Testing Lenses: Finding The Best Average Focus Point

By

You have been patient, my friends. You have made it through the first article, where we looked at how MTFs improve stopped down and saw it was a bit different for every lens. You enjoyed the second article, where we looked at the Best Individual Focus MTF (BIF MTF) which showed how good the MTF […]

Equipment

Testing Lenses: Best Individual Focus MTF Curves

By

OK, in the last post we did something useful, but rather boring: we looked at how MTF changes when lenses are stopped down. Today we’re going to use a more powerful optical bench tool, the MTF vs. Field vs. Focus. Unless you work in a metrology lab (and probably not even then, very few are performing […]

Follow on Feedly