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Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.-Optolong Optics Co.,Ltd.
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1.25''/2''/EOS-C CLS Light Pollution Broadband Filters Ultra High Contrast Filter Reduce Light Pollution
![Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.-Optolong Optics Co.,Ltd. Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.-Optolong Optics Co.,Ltd.](https://www.optolong.com/uploads/images/20201125/08d02ea6a6dd0571db2f3ebde94e9da9.jpg)
Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.-Optolong Optics Co.,Ltd.
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Amazon.com : SVBONY Telescope Filter 1.25 inches CLS Filter City Light Pollution Reduction Filter Broadband Filter Suitable for Deep Sky Visual Astronomical Photography : Electronics
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Optolong City Light Supression / Light Pollution Reduction CLS Filter - Clip Filter for Canon EOS Cameras with APS-C Sensor
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