Dave McKeegan Archives

Lens compression is absolute nonsense – It doesn’t exist, and here’s why

May 26, 2021 by John Aldred 7 Comments

This post will probably upset a few of you. Don’t care. Lens compression is a myth, I’ve been saying it for years, but when I try to explain why, peoples’ eyes start to glaze over. This video from Dave McKeegan, however, explains and demonstrates the principle wonderfully. Although, as Dave says, it really doesn’t matter.

Dave does go very in-depth into explaining the technical side of why lens compression doesn’t really exist, and if you’re not technically minded in the least, you’ll probably want to watch some parts of the video two or three times to fully understand what the demonstrations… uh, demonstrate. But it’s worth sticking with it. The better you know the principles, the better you’ll be able to use your gear.

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Watch: Video explains the difference between your camera’s native and extended ISO range

Mar 22, 2021 by John Aldred Leave a Comment

ISO seems to be a much more complicated topic than it needs to be really. I see so many questions about ISO posted online from confused new camera owners that it makes me wonder when it got so complex. But it’s really not that difficult to grasp, really, when it’s broken down and explained.

In this video, photographer Dave McKeegan walks us through ISO, explains the terms and elaborates on some of the tech so that you can understand the differences between base ISO, native ISO and extended ISO. He also explains what the hell dual native ISO is, how it works and how it can benefit you as a creative.

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A round up of what people think about the new Sony A7III

Mar 1, 2018 by John Aldred 1 Comment

The Sony A7III, the successor to the very popular and heavily discounted Sony A7II, was announced just a few days ago, but already people are getting very opinionated. A few are just going off the on-paper specs, while others have managed to actually get their hands on one and take it for a spin. So, let’s see what people think, and whether or not it’s the right camera for you.

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