Karl Holtby

Photographer

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Sigma fp Camera Unboxing Video.

Oct 29, 2019
1 min

Sigma fp Camera Unboxing Video.

A few weeks back I was invited to Sigma HQ, along with fellow Sigma Ambassadors for an unboxing session of their new camera, the fp. Alarmingly they chose to video our reactions, it's all good fun! The fp is the world's smallest full frame camera, it also features a Bayer sensor, another first for Sigma. The camera is being marketed as a modular system, meaning that it can be used with a whole host of accessories from both Sigma and third party suppliers. The fp features the

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Hyperfocal distance - a quick guide.

Jul 25, 2016
3 min

Hyperfocal distance - a quick guide.

Increasingly on workshops I am getting the old complaint, ‘My pictures never seem to have front-to-back sharpness!?’, followed by questions regarding that seemingly black art of Hyperfocal focusing. I always remember my Dad telling me to focus 'around a third of the way in'. In theory this is because depth of field extends twice as far behind the point of focus as in front of it. I have to agree with some of my clients that this is a vague statement at best! How do you judge

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LEE SW150 mkII filter system

Apr 28, 2016
5 min

LEE SW150 mkII filter system

As a landscape photographer, an integral part of my image making kit is the filtration system. In essence the use of filters gives us the ability to achieve a balanced, well exposed image. If you're new to photography you may have noticed that whilst shooting outdoors in contrasting light, that either the sky, or foreground objects will be well exposed, rarely both, particularly in situations such as sunset and sunrise when the sun is very low in the sky. It's during this tim

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