Why more optical zoom cameras required?

Answer Optical zoom cameras are used to take a shot in which a far-away object appears both prominently and clearly. Essentially you need a decent zoom lens to obtain this ability, and a good camera with ... Read More »

Top Q&A For: Why more optical zoom cameras required

What is the difference between optical zoom & digital zoom on a camera?

The optical zoom is a true zoom. The lens uses all of the sensor on the camera so the resolution remains the same at any focal length A "digital" zoom really only crops the sensor, thus reducing t... Read More »

What is the difference between optical zoom and digital zoom when using a camcorder?

Optical and digital zoom Optical zoom is the change created by focusing lenses to see further away or closer.Digital zoom is a change in the size of the digital optical reader surface used to read... Read More »

How does digital zoom differ from optical zoom?

Most people who have used a 35mm camera or an APS camera are aware of only optical zoom. Optical zoom uses the optics (lens) of the camera to bring the subject closer. Digital zoom is an invention ... Read More »

Does the Nikon D90 have digital zoom and optical zoom?