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8mm ethos or 17mm radian?
Hey Everyone
Just a quick one, but I've seen a cheap 8mm ethos, i did the calculations and the true field of view will equal that to my 17mm radian......
Consequently I've raised the question.... is there any true and noticeable difference that can be achieved with the 8mm ethos over the radian? considering the maths suggest that there isn't any big difference?
Many thanks
Trent
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