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SKU : OL-LPRO-EOS-C
Product Details
The 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 lights including mercury vapor lamps, both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow). Together with the highly transparent in main nebula emission lines at OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha (656nm), as well as SII (672nm), the filter is suitable for enhancing the contrast and details for both visual and photographic purpose at sub-rural area with heavy light pollution.
Unlike other light pollution filter UHC and CLS, L-Pro is multi-bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast to broadband emission objects such as galaxies, reflection nebulae and globular star clusters. L-Pro is the best choice for light pollution suppression.
Main Use and Performance
Image 1 (Left) shows The Orion Nebula after 1.9 hours of data with the L-Pro filter.
Image 2 (Center) shows The Orion Nebula after 180 seconds at ISO1600 with the L-Pro filter..
Image 3 (Right) shows The Orion Nebula after 180 seconds at ISO1600 with no filter.
Technical Data
Coating Parameter
Filter Cell
specifications
| Bandpass | Multi Bandpass |
| Filter Thickness | 1mm |
| Filter Type | Light Pollution/City Light Suppression |
| Free Shipping | Yes |
| Shape | Canon APS C |
included items
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United StatesExtremely easy to use and the case it comes in is very portable and secure!
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