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Mazen · Nov 17, 2006, 9:06 PM

when we talk about the crop factor (1.5 or so) in a DSLR is that visible through the viewfinder or it is only visible after taking the photo? thanks

Mark1616 · Nov 18, 2006, 4:34 AM

Hi Mazan, it is visible through the viewfinder so you basically get what you see (with an SLR you will always get slightly more than you see as the viewfinder does not quite give 100% coverage but it is close. Basically if you looked through a 35mm camera and a dSLR with the same lens on you would notice that the dSLR appeared to be using a longer lens by the crop factor. Looking at it the other way (assuming a crop of 1.5x) the both images would look basically the same if the 35mm had a 75mm and the dSLR had a 50mm lens. Isay basically as the crop factor also has an affect on the depth of field (dof) but don't worry about that for now.

Hope that helps,

Mark

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Nov 17, 2006, 9:06 PM	#1
Mazen Junior Member Join Date: Sep 2006 Posts: 24	when we talk about the crop factor (1.5 or so) in a DSLR is that visible through the viewfinder or it is only visible after taking the photo? thanks

Nov 18, 2006, 4:34 AM	#2
Mark1616 Super Moderator Join Date: Oct 2005 Posts: 7,451	Hi Mazan, it is visible through the viewfinder so you basically get what you see (with an SLR you will always get slightly more than you see as the viewfinder does not quite give 100% coverage but it is close. Basically if you looked through a 35mm camera and a dSLR with the same lens on you would notice that the dSLR appeared to be using a longer lens by the crop factor. Looking at it the other way (assuming a crop of 1.5x) the both images would look basically the same if the 35mm had a 75mm and the dSLR had a 50mm lens. Isay basically as the crop factor also has an affect on the depth of field (dof) but don't worry about that for now. Hope that helps, Mark