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Sony MTF Testing 24-105mm

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


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


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


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 […]


Front Element Lens Protection Revisited


The internet is an interesting resource. Once you’ve put a reference up, it’s there forever. Over time, things may change, but that 10-year-old article doesn’t. A few weeks ago someone used some old articles I’d written (1, 2, 3) as a reason why he doesn’t use protective UV filters. They claimed I had said there was no need […]

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