Gosky Cell Phone Adapter Mount - Compatible Binocular Monocular Spotting Scope Telescope Microscope-Fits almost all Smartphone on the Market -Record The Nature The World. I cant merge binocular images in anything over about 4X so I want to see if I can mis-align a pair to work for me. Only turn the screws about an eighth of a turn each time. Prism adjustment screw location - posted in Binoculars: Ive bought two pairs of old binoculars to play with prism alignment as a test. From humble beginnings, Bushnell is now one of the most recognized and reputable sports optics brand in the world. Larry 1969. Full service of a roof-prism binocular approx. Locate a prominent structure far away from you, about 100 yards or more, a house for example, with straight and horizontal lines. These binoculars will provide you with a wide field of view. If the image is blurry, adjust your binoculars. Collimation is done by rotating the eccentric rings in which the objective lens is mounted. These are quite good for 8x and 10x magnification levels. I never intended to purchase these or an Engage scope but my kid needed a new rifle scope and Bushnell had a promotion going at the time good for a pair of 10x42 Engage binoculars if you purchased one of the select Engage 30mm rifle scopes. How To Repair Broken Binoculars At Home - BikeHike "Collimating" Binoculars - How to . . . - Articles - Articles - Cloudy ... Start with the horizontal screws. Setting the Setscrew. Introduction to Binoculars Construction & types of binoculars Collimation is a 3-step process. The clarity and resolution, though, is really good in bright conditions. Manufacturer/Model: Bushnell Custom 7X35 Field of View: 7 deg 40 min= 134 m/1,000 m; APFOV 53.9 deg Weight: 663 gr Exit Pupil: 5 mm Serial #/Year of Manufacture: 8349 = 1959 - 1964 Notes: David Bushnell established his company contracting the manufacture of binoculars in Japan in the late 1940's and owned it until 1972. Orion LaserMate Deluxe Telescope Laser Collimator | Orion Telescopes Bushnell 13-1650 collimation is way off - how to adjust? I selected one of the collimation screws and gave a small turn (less than 1/8 of a rotation) which caused the image to shift laterally. Problems Associated With Poor Collimation In Binoculars. The block is secured to the housing interior, and is movable to provide a coarse collimation adjustment during assembly of the . Do this by moving only two of the three screws, and make only small adjustments. I have watched a few YouTube videos but all of them require you to locate screws on the binoculars but I cant find any on mine. A prism binocular with molded hollow body housings each having a preformed shelf or seat to receive a first prism in optical alignment behind an objective lens. Now before fixing lens position, it is necessary to clean them. The focusing ring is the wheel in the center of your binoculars, in between both barrels.