For this week's blog i found an article that discusses the differences between a crop frame sensor camera and a full frame sensor camera. I have always owned a crop frame sensor camera because they are cheaper bodies and the glass for crop frame are cheaper as well. I hope to someday purchase a full frame camera body, but I want to be able to make good photos with my crop frame before i invest in something new.
The main difference between crop frame and full frame cameras is the sensor size. A full frame sensor will be 35mm. Crop sensors can be any size that's smaller than 35mm. The other difference between the two sensors is the field of view. When taking a picture with a crop frame camera and taking a picture with a full frame camera with the same lens both images will appear similar but the crop frame camera will produce a narrower field of view and the entire scene won't be captured in the image (as represented in the image below)
Most Crop frame sensors have a 1.5 to 1.6x multiplier which means that whatever focal length is used is multiplied to the magnification of the image. So for example if you took a picture with a crop frame camera and used a 50mm focal length, then the actual focal length would be 80mm.
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