SVBONY SV135 7–21mm Zoom Eyepiece (1.25″, 60°–40° AFOV) Mak Mount If you frequently image from

If you frequently image from light-polluted areas

This reducer allows for an extended back focus of 75mm

This allows emission nebulae to be photographed with impressive contrast from suburban and even urban locations

This compact powerhouse features a robust 40mm aperture and a sharp 130mm focal length

The protective ring design and blackened filter edges prevent stray light

SVBONY SV135 7–21mm Zoom Eyepiece (1.25″, 60°–40° AFOV) Mak Mount If you frequently image fromSV135 Zoom Eyepiece 1. 25inch 7 21mm 60 40 Field of View Fully Multi Coated 7 Element 4 Group Optical Design Key Features 7 21 zoom eyepiece Allows you to change magnification power without swapping out eyepieces; bring you a better observation experience in a comfortable situation with high contrast imaging; designed primarily for viewing lunar surfaces; jupiter and saturn; nebulae; clusters; and diffuse nebulae. 7 Elements 4 groups structure Made of