I'm trying to figure out how all this stuff relates to one another. Crop factor seems easy enough. If I have a 100mm focal length lens and I put it on my d350, it effectively becomes at 160mm due to ...

Watch the video: What is focal length? Take two 50mm lenses: an f/1.8 and an f/1.2. Even though they both have the same 50mm focal length, they're not the same physical length – and neither of them is ...

Perspective in an image is all about the relationships between objects in the scene; specifically their relative sizes and positions … Perspective in an image is all about the relationships between ...

The frames show the fields of view you'd get with different-sized digital sensors, using the same focal length. Smaller sensors take in less of the image circle, and hence record a narrower field of ...

Replay: Do we really need to keep using 35mm as our baseline for focal lengths, or is there a much better way? Why do we keep reading descriptions like ‘3.7 mm to 92.5 mm (equivalent to 28.8 mm to 720 ...

Buying and shooting tips for different types of wide angle lenses. Wide angle lenses range from a very modest increase in the angle of view through to so-called ‘fisheye’ lenses that encompass angles ...