It features a primary parabolic mirror that is precisely placed to eliminate any spherical aberration in the images. The 30mm Erfle provides a wide, 41x view in the SkyLine 10" Dobsonian while the more powerful 9mm Plossl eyepiece yields views with 138x magnification. Orders received by 1pm Eastern Standard Time for in-stock items ship the same business day. All parts for the primary mirror cell were cut on a CNC router for expediency, but could be readily duplicated using non-CNC equipment if needed. Sky-Watcher also makes this telescope in an 8” and 12” aperture version, but we really found that the 10” hits the perfect medium of power vs portability. (I can't measure the secondary thickness exactly without pulling out the spider assembly...which sounds like a lot of work before breakfast.) The included 8x50 finder scope is a premium right-angle model which displays a correct left/right and up/down oriented image for easy aiming of the 10" Dobsonian telescope. In this video I show the best results I could get with a 254mm (10 inch) Dobsonian telescope.To obtain the images I used the following equipment:Telescope: 254 mm dobsonianCamera ASI120MCCommon digital cameraeyepieces of 6 and 25 mm2x barlow lensI used Registax to stack frames and produce some of the images. This neutral-density eyepiece filter reduces glare so you can see more detail and surface features. Read more about us and how we support our site through affiliate commissions. At Orion, we are committed to sharing our knowledge and passion for astronomy and astrophotography with the amateur astronomy community. $2,105.00. height: 90, entityId: 102785, layers: 'VID008' Lowest useful magnification is the power at which the exit pupil becomes 7mm in diameter. Explore Scientific - 10" Truss Tube Dobsonian Telescope. height: 160, This design had a few additional requirements that made it slightly different than most “standard” Dobsonians; it was going to be used by children, so it needed to be durable, extremely stable, as well as low enough to the ground for kids to look through the eyepiece, ideally without need for a step-stool. The Orion 6" - 10" Dobsonian Telescope Cloak will help protect your telescope while it's idle from dirt, moisture and sunlight. The tube was primed and then painted with ordinary latex semi-gloss white paint, to ensure that it would be easily visible in the dark, and to provide a layer of protection for the cardboard should it be exposed to moisture. The rectangular vanes are affixed to a plywood support ring that fits into the optical tube. Includes Ultra Brush Dust Remover, Dust Pro Compressed Air, Cleaning Fluid, 2 Booklets of Premium-Grade Lens Tissue, and Ten Cotton Swabs. Add To Cart. Orion 10019 SkyQuest XT10i IntelliScope Dobsonian Telescope, 2. what is the diameter of primary and secondary mirror?also tell the thickness of both the mirror? In the daytime it will keep your telescope cooler so it will reach thermal equilibrium faster once night falls. }, { defaultImage: '', }, { As if the original wasn’t good enough, the Sky-Watcher GoTo Collapsible 10-Inch Dobsonian turns this already amazing telescope into a full astrophotography observatory! defaultImage: '', The Sky-Watcher Classic Dobsonian Telescope 254mm/1200mm (10") has a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. The focal ratio of an optical system is the ratio of a telescope's focal length to its aperture. width: 90, Sky-Watcher Classic 250 Dobsonian 10-inch Aperature Telescope Description: The Sky-Watcher Classic Dobsonian Telescope 254mm/1200mm (10") has a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss.

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+ How we made $200K with 4M downloads.

How we made $200K with 4M downloads.