this thread is about the same subject sort of..
this thread
this may be of interest as well.
Details on the subject
the aperture should not be an issue, because the lenses will have the same focal length on either a dSLR, or a 35mm SLR ( the difference is the film plane size, and on a dSLR more is cropped due to the sensor size ( film plane size ), my camera for instance has a 1.6x crop factor ). but depending on the cameras sensor quality , and the lense quality, you may get some weird edges using wide open aperture, or wider angle lenses. i think this effect might be more prominant on a digital vs 35mm camera.
where the aperture is a factor is on longer focal length lenses, the longer the zoom used the less DOF you will get. also in order to get larger aperture or small Fstop on a longer lense the lenses need to be wider to allow the aperture to open wide enough. so using the example above f2 on a 300mm lense would be 100mm opening ( thats a huge opening as most lenses use 55, 58, 62mm filters... ) so lenses in longer focal lengths that offer wide apertures are very expensive..
Message edited by author 2004-01-18 10:07:33. |