Optolong LQEFQuad Band Light Pollution filter
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=jjpBb6XlY7A
Optolong L-QEF Filter Enhancing the visibility and contrast of astronomical objects,With better Suppression of Stars,Reducing infrared noise,Suitable for Continuous spectral target.Can be used for capturing most of the celestial objects, including nebulae, galaxies, star clusters,both reflective and emissive line signals, maximises the colour balance of nebulae.It's with Excellent image signal-to-noise ratio (SNR),also have Balanced color saturation.Applicable to shooting from 1-7 bortle scale. • More details:https://www.optolong.com/cms/document...
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