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Forum: Photographic Industry and Professionals 11-16-2010, 08:29 PM  
Professionals using Pentax :: Feasible?
Posted By Digitalis
Replies: 48
Views: 12,486
completely and utterly inaccurate, sensor size has no effect on the light transmission of a lens. providing the lens remains the same distance from the recording medium, the amount of light hitting said recording medium will be identical. Irrespective of the scale of the image recording area, taking the limitations of the imaging circle of the lens into account.

the only situation where that statement is accurate is in regards to DOF.A 50mm lens on a 1.5x APS-C format sensor has 1.5x more DoF than the same 50mm lens will have on 24X36mm sensor* at the same aperture. So using a f/1.2 lens on a 1.5x reduced format sensor provides the depth of field of a f/1.8 lens but all the optical compromises of using a f/1.2 lens at it's widest aperture.

*providing the camera to subject distance ratio is identical.
Forum: Photographic Industry and Professionals 11-10-2010, 04:46 AM  
Professionals using Pentax :: Feasible?
Posted By Digitalis
Replies: 48
Views: 12,486
I wouldn't call myself a professional, that implies my sole income is derived purely from my photography. I'm also a musician, and in both fields I have to deal with a lot of equipment snobbery and most of it is complete and utter BS. Some people say Pearl flutes aren't as good as Murumatsu dispite the fact that half the flute makers from pearl originally worked for Murumatsu.

You get the same kind of crap from people who own gold or platinum flutes turning up their noses at silver flutes - an opinion that is based on the fallacy that silver instruments make a harsher sound - again utter BS - in realidy no one can really tell the difference. If you want a better sound, don't get gold flute: get a wood flute. I play a Cocus wood flute that is 103 years old, and it sounds better than any other modern instrument I have compared it to (including other wooden instruments), an opinion shared by others who have heard this instrument.

I use four camera systems Canon,Nikon,Pentax and Leica...and it really is just a choice between what kind of image I want to create, and more importantly what kind of lens I want to use. Brand doesn't mean as much as others think, in the end it is the image that matters.
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