This item could not be removed from your list. }, { Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger. As to the technical specs of the telescope itself, the aperture is everything as it determines the telescope’s light-gathering ability – an 8-inch telescope will typically be able to observe a lunar crater that is half as large as a lunar crater visible to a 4-inch telescope. 10mm Orion Sirius Plossl telescope eyepiece height: 90, width: 90, }, { This box can telescope with another mirror box to accomodate a larger mirror/ picture. Visit the Orion Community Center for in-depth information on telescopes, binoculars, and astrophotography. The distance from the center of a curved mirror or lens at which parallel light rays converge to a single point. This effect may not be noticeable at lower powers, but at higher powers the atmosphere will dramatically blur the object, reducing the quality of the image. You can find astrophotography "how to" tips and share your best astronomy pictures here. This is one big telescope, capable of providing big, bright views of cosmic curiosities. }, { First light was a large, full moon and it was very sharp. entityId: 99825, This is my first telescope and I purchased it primarily for daylight aviation photography (a.k.a. height: 90, I’ve owned this scope for about a month and a half now and I haven’t gotten one single clear image out of it. … Standard achromatic refractors routinely use Crown and Flint for the two elements, but more expensive apochromatic refractors can use ED (extra low dispersion) glass for one or more of the lenses. Note that the formula is independent of the telescope type or model, and is based only upon the aperture of the telescope. Motor drives are usually equipped with a hand control that allows the telescope's tracking speed to be slightly increased or decreased, which is particularly critical when taking long-exposure astro-images. Orion SkyView Pro equatorial mount 1. An easy way to transport and store your telescope. Having trouble viewing details on the Moons surface? If you are beginner with telescope, think about our MAXLAPTER WR852 series. layers: 'Artimg-EnjoyAstro' layers: 'Artimg-CelestialCoordinates' entityId: 99894, entityType: 'product' layers: '05339' }, { –Stephen 11/19/2013 8:08:45 AM Recommended Items The theoretical resolving power of a telescope can be calculated with the following formula: Resolving power (in arc seconds) = 4.56 divided by aperture of telescope (in inches). I know that you can buy one wi…, A: entityType: 'product' }, { Retighten the thumbscrew. Smaller and typically more powerful 1.25" telescope eyepieces can also be used thanks to an included 2"-to-1.25" adapter. Orion's Telescope Buyer's Guide is a great place to start. I’ve tried everything: collimating it countless times, checking the alignment of my collimating laser, buying a NEW laser in hopes that I hadn’t wasted $700 on a bunk telescope. Reviewed in the United States on September 20, 2015. entityId: 102970, defaultImage: '', width: 160, Since 1975 Orion Telescopes & Binoculars has been offering telescopes for sale direct to customers. Camera adapter And the views of objects in space are really good. But after approximately 300x, theory breaks down and real world problems take over. Very good optical and mechanical quality. A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. It was not the first space telescope, but it is one of the largest and most versatile, renowned both as a vital research tool and as a public relations boon for astronomy.The Hubble telescope … The 130mm optical tube will provide great views of Moon, planets, star clusters, and more. The included 25mm Sirius Pl�ssl eyepiece supplies a 40x view, while the more powerful 10mm ocular boosts the telescope magnification all the way up to 100x for more close-up views. But to really look good requires multiple shots, and I was just giving it a test run.
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