Channel: Phillip McCordall

Category: Education

Tags: concersion aps-c full framefocustipscanonphotography lessons for beginnerssensor size comparisonfullframeapsccamera lenstipfocal lengthtutorialcameraall about lensesaps-c & full framedigitallensesphotoaps-caperturesensor sizesmccordalllens conversiontutorialsbeginnerslenses for beginnersstarting photographyphotographylessonsconversion apsc- full frame

Description: APS-C sensors are smaller than full frame sensors, well that's easy, now the complicated part. Does a 100 mmm full frame lens become a 160mm lens, just by adding it to an APS-C camera body? Of course not !! although I have had arguments about it with some relatively intelligent people. What happens is that it appears to be a longer focal length because all your seeing is the centre part of an image, exactly the same as if you were looking at the centre of a full frame image. Except the image is smaller because it has had its edges cut off ,compared to what you would see on a full frame camera. The beginner and even some advanced photographers find this difficult to comprehend. We should really think about comparisons, what lens would I need to have the same result on a aps-c sensor as a full frame sensor. Well if we have a 160mm lens on a full frame camera to get exactly the same result without moving we would need a wider angle lens in fact as the smaller sensor has a crop factor of 1:6 it would need a 100 mm lens. This is of course the major difference between small and full frame sensor cameras simply image size. Another interesting question is would a 20mp full frame sensor be better quality than a 32mp aps-c sensor ? I wish I was an amateur photographer again , I wouldn't have to think about it :))