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Canon XM2 ISO Speed


Thomas Masper

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Hi,

 

Beware direct comparisons between video and film camera speeds, which is what you're doing when trying to characterise a video camera to an ISO. Practical experience has shown that the received wisdom of video cameras being between 320 and 640ASA is - well - wrong, with video cameras perfectly happy in situations where film's struggling at similar stop and exposure. This undoubtedly has a lot to do with the way video records better shadow detail.

 

Why are you trying to do this? Be aware that if you attempt to characterise your camera using the usual grey-card method then meter it like a film camera, you won't get very optimal results.

 

Phil

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