Digital Camera Articles

Tag Archive for: digital camera

Camera Lens Physics

How to Evaluate a Camera Lens for Performance

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2 Comments
I've done plenty of imaging performance testing on a variety of systems, from millimeter wave through UV. Until very recently, such testing required expensive…
lensfocus

Lenses and Pinholes: What Does “In Focus” Mean?

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11 Comments
In introductory physics, the optics unit often teaches about virtual and real images, focal lengths, indexes of refraction, etc. Some questions that are…
cameralense

Learn About New High Performance Ultra-wide Angle Camera Lenses

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7 Comments
Note, unless otherwise specified, all focal lengths are in terms of the 35mm image format.Recently, there has been a flurry of new high-performance…
tripods

Digital Camera Buyer’s Guide: Tripods

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1 Comment
 A tripod holds a camera still while the shutter is open, preventing motion blur.  The tripod must be able to maintain this stability in…
dslr

Digital Camera Buyer’s Guide: DSLR

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15 Comments
 I'm ready for a DSLR!A: These cameras were originally designed for professionals.  Users of these cameras are expected to already understand…
digitalcamera3

Digital Camera Buyer’s Guide: Bridge Cameras

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5 Comments
This article is geared towards:I've never owned a camera, but I want to get a 'real' camera (that doesn't cost too much). I've owned an entry-level…
digitalcamera2

Ultimate Digital Camera Buyer’s Guide: Compacts, DSLR and Tripods

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Introduction First, congratulations! Camera technology has advanced to the point where a complete novice, using an entry-level camera right out of the…
digitalcamera1

Digital Camera Buyer’s Guide: Introduction

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75 Comments
 First, congratulations! Camera technology has advanced to the point where a complete novice, using an entry-level camera right out of the…