IDAS Light Pollution Suppression (LPS) Filters 48mm - P2 - Made in Japan! (Pre-Owned) Skywatcher Refractors The prism inside Regal ED

The prism inside Regal ED is made of high quality BaK-4 glass with both phase and dielectric coatings so that more light is reflected off the prism so that it reaches your eyes

Hestia is the first telescope that utilizes the power of your smartphone sensors to photograph the stars

3 Di II VC PZD B008

With a large image size and high resolution

Lens Coatings Fully Multi-Coated XLT Coatings

IDAS Light Pollution Suppression (LPS) Filters 48mm - P2 - Made in Japan! (Pre-Owned) Skywatcher Refractors The prism inside Regal EDUsed, still in great condition. IDAS Light Pollution Suppression (LPS) Filters 48mm P2 (Pre Owned) Description Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae. Unlike other light pollution suppression filters, IDAS filters are