This light meter allows you to measure light and distance so you can exposure and focus your images more accurately when ...

Lasers are some of the coolest devices around. We can use them to cut things, create laser light shows, and also as a rangefinder.[Ignas] wrote in to tell us about [Berryjam’s] AMAZING write-up ...

[Ilia] created a phase laser rangefinder (.ru, Google translatitron) using nothing but a laser diode, a pair of magnifying glasses, a few components and an STM32F4 Discovery dev board. The theory ...

The AN/PED-1 Lightweight Laser Designator Rangefinder (LLDR) is a man-portable, modular target locator and laser designation system. The primary components are the Target Locator Module and the ...

The Callaway Screen View Golf Laser Rangefinder is a top-tier tool for serious golfers looking to enhance their game. With ...

Rangefinder binoculars are just what they sound like: a rangefinder and binoculars combined into one piece of gear. Not only are they just plain cool, they also save you weight and room in your ...

When a Gaussian beam encounters a circular aperture, the fraction of the power passing through is equal to This rule applies to beams that are characterized as Gaussian in radial intensity pattern.

I’m editor of PhotoPlus: the Canon Magazine, a professional Canon photographer and keen amateur golfer, so I was very interested to test the new Canon PowerShot Golf laser rangefinder. From a golfer's ...

The measurement of the acceptance angle of an optical fiber, which is the maximum angle at which the core of the fiber will take in light that will be contained within the core. Taken from the ...

Other features include 12-megapixel camera with laser focusing, fast charging, broad network support, fast LTE, 4GB of RAM, NFC, and 3.5mm audio jack.

A laser beam's full divergence angle is approximately the wavelength divided by the diameter of the transmitter aperture, or This is a basic result drawn from diffraction theory and does not include ...

I’m editor of PhotoPlus: the Canon Magazine, a professional Canon photographer and keen amateur golfer, so I was very interested to test the new Canon PowerShot Golf laser rangefinder.