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Optolong L-Pro 1.25" Mounted Round Filter For Sale

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Optolong L-Pro 1.25" Mounted Round Filter:

Description Optolong L-Pro (L-Professional) is a multi-bandpass filter which selectively suppresses the transmission of light pollution lines. For example, mercury vapor lamps, high and low pressure sodium vapor lights and skyglow caused by emission from neutral oxygen in our atmosphere. L-Pro enhances the transmission of major emissions from nebula while offering great color balance with its wide yet effective light pollution cutting transmission band. The balanced transmission allows objects with wide emission spectrum such as galaxies to be imaged with minimal color cast (easier to correct in post- processing). Among the emission lines enhanced are OIII (496, 500nm), H-beta (486nm), NII (654, 658nm), H-alpha (656nm) and SII (672nm). Available in 2", 1.25" and selected DSLR camera sizes. Features 90% transmission at major nebula emission lines Multi-layers anti-reflection coating Precise and sharp roll-off at light pollutant lines 2 mm filter thickness (1.25", 2" and 77mm) | 1mm (clip series) Made on Schott substrate Finely polished to 1/4 wave accuracy Surface quality: 60/40 (MIL-O-13830 standard) Best Uses Monochrome & one-shot-color CCD/CMOS camera Deep sky color imaging, particularly reflective nebula and galaxies Features: Dramatically Reduces Light Pollution ImpactExcellent for Reflection Nebulae and GalaxiesUse with Monochrome or One-Shot Color Cameras Product Details: Package Dimensions: 3.07 x 2.95 x 0.75 inchesItem Weight: 1.23 ouncesItem model number: L-Pro-1.25Is Discontinued By Manufacturer: NoDate First Available: July 17, 2019Manufacturer: Optolong Handling We will ship all orders within 1 business day of payment. Delivery We Do Not Ship Outside of the Continental US or PO Box Addresses. Return Policy All items qualify for returns within 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged. Feedback We take our reputation seriously, we buy and sell online, so we understand the value of trust. If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction.
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