The Radian 75MM Petzval Refractor telescope is designed for imaging and is offered in a sleek flat black design with thin multi-point mounting rings. It comes with Vixen and Losmandy dovetails to ensure universal attachment to any mount and the filter vault has 2” threads for easy placement of filters.
The new 75 APO Astrograph offers impressive image field correction even with large full frame sensors, making wide field mosaics possible without deep crops of images. To eliminate the need to worry about back-focus, the Radian 75 is a Petzval Imaging System which prevents any moving elements in the system. This allows for the full travel of your focuser to find focus without any back focus calculations at all.
The Radian 75MM Petzval Refractor Telescope specifications include:
– Aperture: 75mm (3″)
– Back Focus: 74 mm
– Corrected Image Circle: 44 mm
– Focal Length: 405mm
– Focal Ratio: f/5.4
– Glass Type: FCD 100 Super ED
– Optical Design: Petzval
– Tube Diameter: 89 mm
– Tube Length: 386mm
– Tube Weight: 5.7 lb
You can learn more about the Radian 75MM Petzval Refractor Telescope here.
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