Archived posting to the Leica Users Group, 2007/11/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Right. The point = use your equipment to fill whatever frame you've got available for best results. Always has been and always will be. All this stuff about crop factors makes little sense (to me). Take an 8x10 camera and a 400mm lens. Fill the frame with a human head and shoulders. Put a 5x7 back on the same camera. Move back and fill the frame. Put a 4x5 back on the camera and move back some more to fill the frame. Put a 6x9 back on the camera move back some more to fill the frame. Hang a Hasselblad on the back of the same camera and move back some more. Hang a 5D, R8, M7 on the back and move back some more. A DMR or M8. Back up some more. A 20D. Back up again. A four:thirds. Back up some more to fill the frame. Obviously with each reduction, of the recording device frame size, your angle of view is reduced; as is the amount of fine detail information recorded in relationship to square mm's of chip/film. As Doug said, "Use the largest recording device frame size that you can afford to buy and/or carry and you'll achieve the highest quality image from any given lens (lens optimization not included). Yes the chips are getting better and better. The smaller chips in the new 4/3 systems are capturing wonderful amounts of information. Yet, if the same chip technology is used in a chip twice the size - will do better than its smaller brethren. If you need to test this theory - simply expose two frames on whatever film or chip and stitch them together (as several on this list have done) to achieve twice the pixel/film grain information in relationship to the scene. Regards, George Lottermoser george@imagist.com www.imagist.com Picture A Week - www.imagist.com/paw_07 On Nov 27, 2007, at 1:18 PM, Leonard Taupier wrote: > The comparison is between the Canon 20D and the 5D. The lens used > is the Canon 400mm f4 DO IS lens. I see no difference between > exact photos taken from these two cameras taken from the same > location. (after cropping the 5D photo)