What is ISO

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This is the final part of our training on Understanding Exposure. The first post set out the basic foundation and then the second post Understanding Aperture & Shutter Speed, with three videos gave the bulk of the training.
In this final post I want to cover ISO, the third pillar of Exposure but as I suggested, it really does come second place to Aperture and Shutter speed.

Watch this video to see how you can effectively use ISO as you begin to work manually with your camera.

I can’t give a single answer as to how high you can increase the ISO of your camera before you get noise and grain because each camera is different. This, as I mention in the video though is constantly improving so if your camera is newer it will handle high ISO numbers better than an old camera.

My advice –¬†‘Get out and play with your camera in Manual mode!

Seriously, what’s the worst that can happen? … You have to delete a few pictures :-0

The best and only real way to learn is to try going manual, dont panic when it looks awful, think about what you’ve learnt and keep experimenting. If you can’t remember which way to turn the shutter speed, try two click in one direction, if it looks worse then you went the wrong way!

Really, it’s not hard and remember to use the guide inside your viewfinder, it’s your best friend!

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