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<blockquote data-quote="Wahugg" data-source="post: 135689" data-attributes="member: 10685">From my understanding, all DX len's state the focal length in 35mm standard.For example the kit lens he has is a DX lens, how ever it is not a true 18-105mm. It's really a 27mm-158mm. If he were to put the DX lens on an FX sensor, he would have extreme vignetting, but his focal length would be a true 18-105mm lens.In the EXIF data for a DX camera, there is one line that states the focal point the camera took the photo at based on the lens setting, for example 18mm. Then directly beneath it, there is the 35mm equivalent focal point length&nbsp; which would have been 27.-WahuggEDIT:<img src="http://i894.photobucket.com/albums/ac148/wahugg/Sharable/tt.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />This photo was shot with a D5100 and the kit DX lens with a focal range of 18mm-55mm.The red box shows that the lens was set to 55mm when the photo was taken.The Row highlighted in blue shows the 35mm equivilent because the photo is being taken on a DX sensor. Just because a lens is DX doesn't mean the focal points listed on it are what you are actually shooting at. Unless stated otherwise, you have to remember the 1.5x crop sensor factor</blockquote>

[QUOTE="Wahugg, post: 135689, member: 10685"] From my understanding, all DX len's state the focal length in 35mm standard. For example the kit lens he has is a DX lens, how ever it is not a true 18-105mm. It's really a 27mm-158mm. If he were to put the DX lens on an FX sensor, he would have extreme vignetting, but his focal length would be a true 18-105mm lens. In the EXIF data for a DX camera, there is one line that states the focal point the camera took the photo at based on the lens setting, for example 18mm. Then directly beneath it, there is the 35mm equivalent focal point length which would have been 27. -Wahugg EDIT: [IMG]http://i894.photobucket.com/albums/ac148/wahugg/Sharable/tt.jpg[/IMG] This photo was shot with a D5100 and the kit DX lens with a focal range of 18mm-55mm. The red box shows that the lens was set to 55mm when the photo was taken. The Row highlighted in blue shows the 35mm equivilent because the photo is being taken on a DX sensor. Just because a lens is DX doesn't mean the focal points listed on it are what you are actually shooting at. Unless stated otherwise, you have to remember the 1.5x crop sensor factor [/QUOTE]

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