Optolong 1.25UHC Light Pollution Filter

Optolong 1.25UHC Light Pollution Filter,Pollution Filter Optolong 1.25UHC Light,25"UHC Light Pollution Filter : Camera & Photo,: Optolong 1, Promotional goods Here are your favorite items Activities continue to surprise again and again! Filter Optolong 1.25UHC Light Pollution.

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Optolong 1.25UHC Light Pollution Filter

: Optolong 1.25'UHC Light Pollution Filter : Camera & Photo. : Optolong 1.25"UHC Light Pollution Filter : Camera & Photo. Cost Effective Light Pollution 。 Rejects Mercury and Sodium Light While Increasing Contract 。 High Transmission of OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha (656nm) as well as SII (672nm) 。 The UHC (Ultra-High Contrast) broadband filter is designed to improve the visibility of various deep-sky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lighting such as mercury vapor lamps, both high & low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (skyglow). The filter is highly transparent in the 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 in suburban and rural areas with heavy light pollution. Suitable for color CCD cameras and unmodified DSLRs that accept 1.25" filters. With narrower bandpass transmission gaps, this filter provides higher contrast than CLS filters. The UHC filter has a substantial red bandpass and offers superb views of objects like the Orion Nebula (M42) Light s do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula. 。 。 。

Optolong 1.25UHC Light Pollution Filter
Optolong 1.25UHC Light Pollution Filter
Optolong 1.25UHC Light Pollution Filter
Optolong 1.25UHC Light Pollution Filter
Optolong 1.25UHC Light Pollution Filter

Optolong 1.25UHC Light Pollution Filter

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Optolong 1.25UHC Light Pollution Filter


25"UHC Light Pollution Filter : Camera & Photo,: Optolong 1, Promotional goods Here are your favorite items Activities continue to surprise again and again!
Optolong 1.25UHC Light Pollution Filter