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Optolong 2" L-Pro Light Pollution Filter For Sale


Optolong 2



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Optolong 2" L-Pro Light Pollution Filter:
$248

Optolong 2" L-Pro Light Pollution Filter
Product Details
  • Package Dimensions: 3.3 x 2.9 x 0.7 inches
  • Item Weight: 1.44 ounces
  • Shipping Weight: 1.44 ounces
  • Item model number: Optolong L-Pro 2 inch
  • Dramatically Reduces Light Pollution Impact
  • Excellent for Reflection Nebulae and Galaxies
  • Use with Monochrome or One-Shot Color Cameras

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

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Shipping & Handling Back to Top Item will be shipped FREE standard shipping in 1 business day after payment is received.
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Tracking number will be provided.


Return Policy Back to Top We stand behind our products. Items can be returned for exchange or full refund within 30 days from the date you receive your merchandise.
Return shipping is the responsibility of buyer unless the return is a result of our mistake (i.e., your receive the wrong item).
We will pay for return shipping and replacement back if an exchange of the same product is requested due to an error.

Contact Us Back to Top If you have any questions please contact us. We will respond within 1 business day or less.




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