Baader Planetarium Rowe Coma Corrector for tonians, Triplet Design, Long Back Focus RCC-I

Description

The Baader Planetarium Rowe Coma Corrector was built for Newton Telescopes that have a Long Working Distance.This is a superb, very specialized product that enhances the imaging experience. If you wanted to connect your camera (without an Off-Axis Guider) to an RCC through a T-Ring, we'd recommend a VariLock 46 T-2 extender (2956946 #25V) with an engraved half millimeter scale, so that the ideal distance between the camera chip + T-Ring and the RCC can be produced quickly even at e.g. 36.5mm. In the RCC-triplet optical system, each glass / air surface is complete with Baader's Phantom Group Coating (R matted) in order to obtain maximum light throughput. * Focus position (ideal chip distance) - 91.5 mm from T2 thread / 94.5 mm from M48 thread * Telescope side connection - 2" diameter with M48 Filter thread * Camera side connection - T2 (M42 x 0.75) and M48 thread * Maximum depth - 73 mm / when the stop ring removed: 75 mm / when the stop ring removed and with the RCC Off Axis Guider: 84mm * Case Diameter - 50.8mm / 2"

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