Optolong 3nm SHO S-II/H-Alpha/O-III Filters - 2" 11" Telescopes 80 mm Refractor Telescope with

80 mm Refractor Telescope with fully coated glass optics and a lightweight Tube

Camera Angle Rotation Device

Accessory Parameters

00 Astigmatism Corrector for TeleVue Eyepieces Features

Tripod Legs: 1

Optolong 3nm SHO S-II/H-Alpha/O-III Filters - 2" 11" Telescopes 80 mm Refractor Telescope withOptolong SHO 3nm Narrowband Filters Introduction Optolong SHO 3nm filter kit includes SII 3nm, H Alpha 3nm, and OIII 3nm narrow band filters, for use with astronomical monochrome cooling CCD and modified DSLR imaging in each single channel. Corresponding with RGB channel (HA, OIII, SII), photographers can also process the data to produce Hubble palette images. The narrowband S II 3nm filter (Sulfur II for CCD) is designed for nebula observation