I have an old Olsen Ultra custom high speed flash to give away for free t a good home. It has 4 heads, At low power, the flash duration is about...
Hi, How much different is the old Canon 600mm F/4 non-IS lens compared to the IS I and IS II versions (I know that it's a bit heavier, but how's...
Hi, if you're on a boat in a lake, and using a tripod with a gimbal head (I'm using the Canon 100-400 m2, Manfrotto tripod and Nest NT-530H MKII...
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