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female M48
Planeoptically polished
• High-quality machining out of the best aluminum
Off Axis Guiders have been around for a long time
Optolong L-Pro Filter for Deep Sky narrowband Imaging - 2" adapter female M481. Optolong L Pro Introduction Optolong L Pro (L Professional) filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings including mercury vapor lamps, both high & low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i. e. skyglow). Together with
US$ 160.95
US$ 160.95
US$ 345.00
US$ 179.99
US$ 179.99
