Famous Trails FT 300 Owner's Manual

Summary of FT 300

  • Page 1

    Our return policy in the rare case that your unit should malfunction, please call (877) 97-scope for assistance. Rather than go through the trouble of returning it to the point of purchase, call famous trails inc. First. We’ll be able to assist you and correct your problem with minimal inconvenience...

  • Page 2: Do Not Remove

    Do not remove lens cap in daylight! Piezo energizer focus 3v lithium battery ir illuminator energizer battery compartment focus energizer focus ir illuminator battery compartment 1 ft 950 energizer focus ir illuminator battery compartment piezo energizer focus piezo energizer ir illuminator 3v lithi...

  • Page 3: Getting Started

    2 thank you for purchasing this night vision device brought to you by famous trails. We hope it will bring you many years of viewing pleasure. “ starlight” or “ night vision” devices work by amplifying ambient light thousands of times to create a visible electronic image. Even starlight or partial m...

  • Page 4: Things to Remember

    3 only, the detachable ir illuminator requires a 3-volt lithium battery (radio shack ® #23265, duracell ® dl1/3n, eveready ® 2l-76). *the above-mentioned names hold their own trademarks and have no association with famous trails ® . 4. To focus, first utilize the eyepiece-focusing ring to bring the ...

  • Page 5: Ft300

    4 ft300 ft350 ft400 l ight intensification high high high image magnification 2.5x 2.6x 2.6x dimensions 5.9˝(l) x 2˝(w) x 3˝(h) 5.5˝(l) x 3˝(w) x 4˝(h) 5.9˝(l) x 2˝(w) x 3˝(h) weight .94lbs 1.18lbs .94lbs batteries ir illuminator only 2 aaa field of view 15 degrees (min) 20 degrees (min) 15 degrees ...

  • Page 6

    5 f a m o u s t r a i l s n i g h t v i s i o n p r o d u c t s an introduction for consumers famous trails ® night vision scopes enable the user to view objects when it is normally too dark to see with the naked eye. The device amplifies the photons from any available light by collecting it through...

  • Page 7

    6 response, optical speed, gain and more. It is also important to note that each product was tested with consistent reliable methods to insure the valid comparison of specifications. This is an area where comparison becomes especially difficult, as there are a great number of equipment manufacturers...

  • Page 8

    7 how much light is available, and the gain of the product. A long, powerful lens will increase magnification, but as mentioned above will not transfer light well. In conditions with less light, more gain is required to view objects farther away so using a high-speed lens with less magnification wil...

  • Page 9

    8 ergonomics — if you will be viewing for a long period of time, a lighter product will be more comfortable. Also, where you wish to carry your device will make a difference when deciding on what size to purchase. Practicality — if you will be using your system on camping trips and other places wher...

  • Page 10

    9 diopter adjustment — an adjustment of a device to a user’s eyesight. The range for adjustment is usually plus or minus 4 diopters. Distortion — any variation of the display from the accurate reproduction of an image. Eye relief — the required distance between a user’s eye and the lens of a device ...

  • Page 11

    10 • generation ii — contains a microchannel plate for increased gain. Generation ii devices were designed for more difficult viewing situations and are mostly used by military or scientific personnel. • generation iii — contains a gallium arsenide photocathode and a microchannel plate. Generation i...

  • Page 12: Ocular — See Optics

    11 ocular — see optics optics — the collective term for all optical parts of a famous trails system which includes the objective lens and the ocular. • the ocular increases projection size of the image. • the objective lens gathers ambient light, focusing it onto the image intensifier. Can also prov...

  • Page 13

    12 scope — a famous trails device with one ocular system. Spectral response — the numeric range of wavelengths in the phototonic spectrum amplifiable by a famous trails device. While the human eye can see from 400nm to 750nm, a famous trails system can pick up and amplify wavelengths up to 900nm and...