Hi,
The recent sale of a Canham lens shade got me thinking: What do they do exactly.
Lemme clarify. I understand that they stop light from hitting the lens and causing a flare but so does my hand (darkslide, shadow, etc).
Is there an added benefit for having the lens completely surrounded a shade or is it more for ease of use (not having a random hand appear in the corner of your image or freeing up that hand for other things)? I assume that they'd be quite useful in the studio since you could have stray light bouncing around and coming back at you but what about in the field?
Thanks
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