| This light duty injection-molded bracket connects binoculars from 35mm to 50mm in aperture to camera tripods for extended no-shake terrestrial viewing and star-gazing. The bracket has a knob at the top that threads into the 1/4"-20 thread hole that is hidden beneath the decorative cap in the center hinge of most porro prism binoculars. As the adapter is only 3/4" across, it also fits the narrow spacing between the barrels of many roof prisms, as well. Measure the spacing between the barrels of your roof prism bino when it is set for your normal eye spacing to make certain that there’s enough room to fit the adapter before ordering. Also, unscrew the cap in your binocular’s center hinge to be sure that the center post of your binocular has the appropriate threaded hole before ordering this product. The base has a 1/4"-20 thread hole that fits the 1/4"-20 thread attachment bolt on the top of every photo tripod’s pan head. When used for star-gazing, some people complain that this type of tripod adapter gives them a literal pain in the neck from crouching under the binocular with their head tilted back to look at the skies. We have found that a more comfortable way to use this adapter for star-gazing is to lean back in a lawn chair or chaise lounge, let two of the tripod legs straddle your own, and tilt the tripod back to you, so that the far leg of the tripod leaves the ground. The tripod proper becomes a bipod. The hand that you use to hold the tripod effectively becomes the third leg of the tripod. This lets you lean forward and back to scan the skies, with a minimum amount of pain-inducing neck contortions. Also, to keep from being stabbed by the pan handle of the tripod, put the binoculars on the tripod backwards, so that the pan handle points away from you, under the objective lenses of the binocular. You can still reach the handle to control the side-to-side and up-and-down motion of the tripod pan head, but it can no longer poke you in the chest or throat.
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