CELESTRON LIGHT POLLUTION IMAGING FILTER RASA 8 EQ8 The GIOTTO 285 can be

The GIOTTO 285 can be used with telescopes with an aperture up to 285mm and an external tube diameter between 252 - 315mm with the included plastic thumbscrews

The Prima Luce Lab dew heater for 120mm tubes can be tightly locked around your optical tube by using the velcro patch

Each filter is optically polished and multi-coated

Mini counterweight bar

Maximum payload of 20 kg (45 lbs) with the mount weight of only 7

CELESTRON LIGHT POLLUTION IMAGING FILTER RASA 8 EQ8 The GIOTTO 285 can beThe Celestron Light Pollution imaging filter for the RASA 8" allows high transmission of light from emission nebulae while blocking light pollution, helping to make your images pop with detail off the black sky background with superior contrast. Fortunately, many sources of light pollution have relatively discreet emission spectra; they emit primarily at specific wavelengths of light. By strategically blocking these bad wavelengths, the filter