Optolong L-Pro Filter - 77 mm type-solar-filters AZ-EQ 6 Dual-Function Type Mount

AZ-EQ 6 Dual-Function Type Mount

It provides a side viewing window so you can see the returned laser beam spot easily on the reticle pattern which is provided

75" stainless steel legs and center tray for superior rigidity and vibration dampening

25" Erect Image Prism - Star Diagonal with an Upright-Correct Image uses an image-erecting BAK4 prism with an anti-reflection coating

water-resistant material

Optolong L-Pro Filter - 77 mm type-solar-filters AZ-EQ 6 Dual-Function Type MountOptolong L Pro is multi bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast on broadband emission objects such as galaxies, reflection nebulae and globular star clusters. The Optolong L Pro (L Professional) Filter is designed to improve the visibility of various deep sky objects by selectively reducing the transmission of light pollution