Orion 51463 User's Manual
Contents
1. Orion Astro Binoculars 51463 15x70 model 52179 20x70 model 51464 20x80 model Congratulations on your purchase of a pair of quality Orion Astro Binoculars The 70mm and 80mm Astro Binoculars provide the large light grasp you need for astronomical observation and unlike a telescope allow you to use both eyes simultaneously for nighttime or daytime viewing This results in better image reso lution contrast and brightness than a similar sized telescope can provide Coupled with their wide fields of view the Astro Binoculars will make you feel like you re floating in space Please take the time to read this instruction sheet before using your new binoculars Using Binoculars with a Photo Tripod When observing with large aperture binoculars like these a photo tripod or some other type of binocular mount is recommended This is because the weight and high magnification of the binocu lars make it difficult to hold them steady by hand The Orion 15x70 and 20x70 binoculars can be attached to a stan dard photo tripod by means of the included L Bracket Simply unscrew the cap covering the socket behind the focusing knob Figure 1 and thread the L Bracket into the 4 20 hole The 20x80 model features a mounting post Figure 1 which attaches directly to the photo tripod without needing an L Bracket Simply thread the 4 20 stud of your tripod into the threaded socket on the underside of the mounting post The tripod mount2. tissue alternating wet and dry Always avoid excessive pressure or rub bing when wiping as wiping too hard can scratch the lens Storage and Cold Weather Orion Astro Binoculars come with a soft case for storage and transport We recommend always keeping the binoculars in their case with the cover caps on when not in use All optics when exposed to excessive temperature changes or high humidity have the potential to fog up Always allow the optics to slowly adjust to cold weather by storing the instrument in its case in a cold area such as an unheated garage or the trunk of a car for a few hours before use When bringing the instrument back inside a warm house store it in a cool area for one to two hours It is very important to open up the case remove the binoculars from the case remove the cover caps and let everything dry out overnight The binoculars should be stored in a cool dry place to prevent mold growth which can damage the optics This is not covered by the warranty Orion Telescopes amp Binoculars OrionTelescopes com 89 Hangar Way Watsonville CA 95076 Customer Support Help Line 800 676 1343 2011 Orion Telescopes amp Binoculars Specifications 51463 15x70 Astro Binoculars Magnification Objective lens aperture Focusing Eye relief Field of View Close Focus Prisms Anti reflection coatings Eyeguards Weight Tripod compatibility 15x 7Omm Center Focus 18mm 4 4 30 ft BAK 4 Po
3. ient center focus ing knob However because your eyes may differ slightly in their focus the binoculars also includes a right eye diopter adjustment Once the right eyepiece has been adjusted you can focus the binocular entirely with the center focusing knob With both eyes open sight on a distant object a tree building or star Now cover the right objective front lens with your hand or the cap Turn the center focusing knob until the image in the left eyepiece is sharp Now cover the left objective lens and focus the right side by rotating the right eyepiece do not adjust the cen ter focusing knob until the image is sharp The binocular is now focused for your eyes Make a note of the diopter setting so you can return to it quickly in the future With the right eyepiece now set all focusing is achieved by rotating the center knob For astronomical observation all objects will always appear focused at the infinity focus point This means you only need to focus the binoculars once per observing session Since everyone s eyes focus images slightly differently different observers will need to refocus the binoculars for their own vision OrionTelescopes com Customer Support 800 676 1343 Email support telescope com Corporate Offices 831 763 7000 89 Hangar Way Watsonville CA 95076 IN 414 Rev A 03 11 Roll Down Eyecups Orion Astro Binoculars feature fold down eyeguards The eye guards are usually left in the up p
4. ing post can be positioned anywhere along the brace rod to opti mize balance To do this first loosen the large knurled knob on top of the post Figure 1 Then grip the binoculars and move them forward or backwards relative to the post until the balance seems about right Re tighten the knurled knob on the post when done The brace rod allows positioning of the binoculars relative to the tripod mounting post but also provides additional stability for the binocular barrels This helps maintain structural rigidity and opti cal alignment for the larger 80mm lens Adjusting the Distance Between Your Eyes Interpupillary Distance Hold each barrel firmly and move them together or apart so the distance between the eyepieces matches the distance between your eyes When properly adjusted you should see a single round field of view when looking through the binoculars Make this adjustment before you focus the binoculars WARNING Never look directly at the Sun through your binoculars without professionally made solar filters even for an instant or permanent eye damage could result Young children should use these binoculars on sunny days only with adult supervision on ORION TELESCOPES amp BINOCULARS Providing Exceptional Consumer Optical Products Since 1975 Tripod mounting post Brace rod Tripod Socket Figure 1 The 15x70 20x70 and 20x80 Astro Binoculars Focusing The Orion Astro Binoculars feature a conven
5. ly if in Orion s judgment the instrument has been abused mishandled or modified nor does it apply to normal wear and tear This warranty gives you specific legal rights and you may also have other rights which vary from state to state For further warranty service information contact Customer Service Department Orion Telescopes amp Binoculars 89 Hangar Way Watsonville CA 95076 800 676 1343
6. osition for use without eyeglass es as this helps prevent glare unwanted stray light from enter ing between your eye and the eyepieces To use the binoculars with eyeglasses you will need to fold the eyeguards down in order to get your eyes close enough to the eyepieces to see the entire field of view Cleaning and Care of Binoculars The lens surfaces of Orion binoculars are coated with anti reflec tion coatings that can be damaged with careless handling Avoid touching lens surfaces with fingers or any coarse material All optics even if stored should be cleaned at least once a year or whenever they are dirty The dust that builds up on coatings pro motes mold growth which etches glass and destroys coatings Avoid over cleaning it can damage the coatings Always use lens cleaning tissue and fluid that are specifically designed for multi coated lenses Do not use fluids or tissues that are for eyeglasses or household use To clean the binocular lenses first blow off the lens with a blower bulb or gently wipe the lens with a lens cleaning brush to remove the larger particles Put a few drops of lens cleaning fluid on a fresh piece of lens cleaning tissue never on the lens and gen tly wipe the lens Quickly wipe the excess fluid with a new dry piece of lens cleaning tissue For larger lenses clean only a small area at a time using a new tissue each time On excessively dirty lenses wipe across the lens using one stroke for each
7. rro Fully Multi coated Fold down rubber 4 Ibs Fits standard photo tripods via included L Bracket 52179 20x70 Astro Binoculars Magnification Objective lens aperture Focusing Eye relief Field of View Close Focus Prisms Anti reflection coatings Eyeguards Weight Tripod compatibility 20x 7Omm Center Focus 17mm 3 2 45 ft BAK 4 Porro Fully Multi coated Fold down rubber 4 Ibs Fits standard photo tripods via included L Bracket 51464 20x80 Astro Binoculars Magnification Objective lens aperture Focusing Eye relief Field of View Close Focus Prisms Anti reflection coatings Eyeguards Weight Tripod compatibility 20x 80mm Center Focus 17mm 3 2 60 ft BAK 4 Porro Fully Multi coated Fold down rubber 4 7 lbs Fits standard photo tripods via integrated tripod post One Year Limited Warranty Orion Astro Binoculars are warranted against defects in materials or workmanship for a period of one year from the date of purchase This warranty is for the benefit of the original retail purchaser only During this warranty period Orion Telescopes amp Binoculars will repair or replace at Orion s option any warranted instrument that proves to be defective provided it is returned postage paid to Orion Warranty Repair 89 Hangar Way Watsonville CA 95076 If the product is not registered proof of purchase such as a copy of the original invoice is required This warranty does not app
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