Lumicon Oxygen III (OIII) Filter - SCT Rear Cell - (Preowned) 11 mm Eyepieces Vixen style Universal Dovetail

Vixen style Universal Dovetail

Focuser:  2" Crayford-Style

there is also a Losmandy dovetail plate available for purchase

25" Eyepiece Adapter Specifications

An optional Barlow lens (NOT included) can provide additional magnification for high-resolution planetary

Lumicon Oxygen III (OIII) Filter - SCT Rear Cell - (Preowned) 11 mm Eyepieces Vixen style Universal DovetailThis filter is used, in good condition. About the Lumicon Oxygen III (OIII) Filter SCT The renowned, original Lumicon OIII Filter narrow bandpass filter (11nm) isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between the black background of space and the delicate photons of OIII light needed for