Search results for: photography hands on understanding crop factor
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by Todd Vorenkamp · Posted
The primary measurement of a lens is its focal length. The focal length of a lens, expressed in millimeters, is the distance from the lens’s optical center (or nodal point) to the image plane in the camera (often illustrated by a "Φ" on the top plate of a camera body) when the lens is focused at infinity. The image plane in the camera is where you will find your digital sensor or film plate. If you are an optical engineer, this is important
by John Harris · Posted
So, you just bought your first DSLR camera and you are interested in joining the ranks of image-makers everywhere who find pleasure and creativity in documenting the world as they see it. What are you gonna do now? Do you know how to set your aperture? Or what ISO is? Did you know that DSLR stands for Digital Single Lens Reflex? It doesn’t matter: what you do know is that you’re ready to step up from your point-and-shoot camera and create images over which you have more control.
A digital SLR camera is a great machine that allows you to