Quote:
Originally Posted by Jesus On A Bike Call me an idiot, but what are yous talking about? I need to learn this stuff. |
Silly geek stuff really...
Camera lenses use mm to identify the zoom (or wideangle-ness) of their lenses.
Traditional film SLR cameras and digital SLR cameras can share the same lenses
BUT the pictures taken with them will be different!
For example a 50mm lens on a film SLR camera will show more of a scene than a 50mm lens on a digital SLR. Almost without fail the difference is a factor of 1.6. So a 50mm lens on a digi-SLR will show the same as an 80mm (50 x 1.6) lens on a trad SLR camera.
The techie reason is that digital SLR sensors cover a smaller area than 35mm film, the Canon EOS 5D (which I've used for the recent pics I've posted here) has a "full frame" sensor so the lenses act in the same way as on a trad. film camera
If all you've ever used are digital SLRs then you'll never know the difference but for me "growing up" using 35mm, I never really got the hang of why I wasn't seeeing as much in the frame as I expected when using digtal SLRs!