Orion 8 f\/8 Ritchey-Chretien Astrograph Telescope
Orion 8 f\/8 Ritchey-Chretien Astrograph Telescope
If You search telescopes then Orion 8 f\/8 Ritchey-Chretien Astrograph Telescope is best choice.
There are many of telescopes out there now in fact it is an incredibly intricate job to ascertain which is the best and also a bang for your buck. Gather as many facts as possible to ensure a better buying decision, before purchasing the product. Possibly, you can actually check out the several expert and end user product reviews using the web to have a acceptable approach. Let`s see what these product reviews should say concerning this Orion.
The Orion 8 Ritchey-Chretien Astrograph's outstanding optical design lets you capture spectacular, detailed images of deep-sky objects like never before
Unlike conventional Newtonian reflector and Schmidt-Cassegrain designs that are susceptible to coma away from the center of the field, the Ritchey-Chretien utilizes hyperbolic primary and secondary mirrors, made of BK-7 optical glass, to achieve wonderfully flat-field images that are virtually coma-free
Images are also free from chromatic aberration, since there are no lenses
The Orion 8 Ritchey-Chretien Astrograph is ideal for use with small CCD-chip cameras such as our StarShoot line, as well as medium-format CCD and DSLR cameras
The telescope's wide, fully illuminated flat field produces pinpoint star clarity all the way to the edge of the camera's sensor
The Orion 8 Ritchey-Chretien Astrograph features a machined, dual-speed (10:1) Crayford-style focuser with an engraved millimeter scale on the drawtube
The secondary mirror is precisely center-marked to facilitate collimation
The enameled steel optical tube weighs only 18.5lbs
and features a wide Losmandy-style dovetail mounting bar underneath for trouble-free setup on medium or large-sized equatorial mounts
A unique, Orion-exclusive slotted narrow dovetail bar along the top of the telescope allows easy attachment of optional guide scopes and other imaging accessories.The inside of the optical tube is fortified with eight computer-positioned light baffles, and the primary mirror baffle tube and secondary mirror light shield are also highly baffled to ensure maximum image contrast.
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