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Price compare - Meade #1220 Field De-Rotator, for 7", 8", 10" and 12" LX200 & LX200GPS Models - UPC: 709942922493 Picture Product Shop Price + LARGER IMAGE Meade 1220 Field De-Rotater LX200 owners often confront the problem of field rotation since they use their telescope in the altazimuth mode most of the time. Stars at the edge of the field appear to rotate about the field center during CCD imaging or long exposures of greater than 5 minutes. As a result, these peripheral stars away from center appear as small concentric arcs on the film rather than as star point images. Field rotation with an LX200 can be corrected in two ways: either by adding an equatorial wedge or a #1220 Field De-Rotater. The addition of a Field De-Rotater enables precise polar alignment and negates field rotation. With the #1220 De-Rotater attached to your telescope's rear cell, other accessories such as a T-Adapter or Off-Axis Guider can in turn be threaded into the #1220 unit. The #1220 De-Rotator is extremely easy to use. Simply align your LX200 using the 2-star technique, for example, and signals are automatically fed to the Field De-Rotater through the RS-232 port on your scope's cont ... Manufacturer: Meade Instruments Corp Category: Telescopes>Accessories Discovery Channel Store $499.95 More details >>> + LARGER IMAGE Meade #1220 Field De-Rotator, for 7", 8", 10" and 12" LX200 & LX200GPS Models Meade Model 1220 Field De-rotater for Meade LX200GPS Telescopes Meade LX200GPS telescopes may be operated in the altazimuth mode (i.e., without polar alignment) for all visual applications and for photographic or CCD imaging exposures of up to about five Manufacturer: Meade Category: Binoculars & Telescopes:Telescopes and Accessories:Telescope Accessories Adorama $599 More details >>>

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