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Bushnell rangefinders: Bringing digital laser technology to the field

Some Bushnell rangefinders are high-tech devices capable of pinpoint distance measurements. Utilizing a class 1 laser as certified by the FDA, Bushnell rangefinders are accurate to within ± 1 yard or meter. A typical rangefinder consists of a monocular viewfinder with an inline LCD display, a laser transmitter and a laser receiver, all installed in a compact, hand-held unit. How does a laser rangefinder work? Read on to learn how.

Once a target is identified and located in the viewfinder of the Bushnell rangefinder, the laser transmitter sends out a high-speed pulse of infrared light. The flight time of the pulse is measured by a precision clock-timer as the light travels to the target, reflects off it, and returns to the receiver. The flight time is converted to distance and the distance displays in the viewfinder.

Bushnell rangefinders have many features for convenience and utility. A diopter adjustment on the monocular helps to compensate for individual differences in eyesight. A strap can be attached to the unit to make it easy to carry. A low battery indicator displays in the viewfinder. The viewfinder has a reticle (crosshairs) so the instrument can be precisely aimed at the target. In normal mode, the laser emits a single pulse for a single measurement. In scan mode, the laser emits multiple pulses to continuously update the range -- good for moving targets, sporting events, etc.

With a maximum distance of 800 yards and a minimum distance of 20 yards, some Bushnell rangefinders are very versatile. There is even a mode that compensates for light that is reflected off raindrops or snowflakes on its way to the target and back. A special version for bow hunters mounts directly on the weapon. All Bushnell rangefinders are waterproof, shockproof, durable and compact. Some versions are rubber armored for additional ruggedness.

To learn more about Bushnell rangefinders and to see comprehensive descriptions and complete specifications, click one of the links below.

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About The Author:

Rita Liotta is a successful author and publisher at www.1st-at-binoculars.com.  Recommending binoculars, telescopes, rifle scopes, night vision, spotting scopes, laser sights, range finders & night vision goggles.
08-06-04