Products

Optolong L-Para 10nm Dual Narrowband Light Pollution Filter Why do we make a L-Para filter with a dual band of 10nm? In Chinese culture, the number...

Optolong L-Quad Enhance Filter L-Quad Enhance Filter (L-QEF) is a quad bandpass light pollution suppression filter for colour cameras. It effective...

Optolong L-Ultimate Filter It’s about a 3nm dual band designed to drastically reduce the effect of light pollution, the 3nm isolates the nebulae’s ...

Optolong L1 L-Quad & L-Para Enhence Filter Set L1 Dual -Combo Set includes：one L-Quad Enhance Filter and one L-Para L-Quad Enhance Filter：Quad ...

Optolong L2 Dual-Combo Set (L-eXtreme&L-Synergy)   L2 Dual-Combo Set includes two premium filters: one L-eXtreme and one L-Synergy. L-eXtreme:T...

Optolong LRGB Filter Set The Optolong LRGB Filter Set is designed for maximum contrast and with extremely high gradients for clear differentiation ...

Optolong Moon & Skyglow Filter Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from ...

Optolong Narrowband H-Beta filter Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on...

Optolong ND3.0 Neutral Density Filter Neutral Density (ND) filters are designed to reduce transmission evenly across a portion of a specific spectr...

Optolong Night Sky H-Alpha filter Night Sky H-Alpha filter (IR Pass 650nm) with 50% transition from blocking to passing at about 640nm and 95% or a...

 Optolong Photometric UBVRcIc Filters  1. Photometric Filters  "Historically our Solid-State Photometers used custom filters designed to transform...

Optolong SII 6.5nm Imaging Narrowband Filter Optolongimproved narrowband SII6.5nm filter (Sulful II for CCD) is designed for nebula observation all...

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

Optolong UV/IR CUT Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most...

Orion Deluxe 6-Piece Optics Cleaning Kit Make your dusty old telescope and telescope eyepieces good as new with the Orion Deluxe 6-Piece Optics Cle...

Orion Padded Telescope Case for Dobsonian 6" (44" L x 11.5" W x 13.5" H) Orion offers a rugged, soft custom case to fit just about every telescope...

Orion Padded Telescope Case for Optical Tube and Tripod (39" L x 9.5" W x 11" H)We offer a rugged, soft custom case to fit just about every telesco...

Orion SkyGlow 1.25" Filter  Specialized astrophotography filter designed for deep-sky imaging in light polluted skies with CCD or DSLR cameras The...

Orion Skyline Laser Pointer Bracket Lets you attach an Orion SkyLine Deluxe Green Laser Pointer (GLP) to a telescope for use as an aiming device ...

Orion Variable 12-17mm T-thread Spacer Ring  In the Box Orion Variable 12-17mm T-thread Spacer Ring Manuals & Warranty Orion 1-year warranty ...

Orion Variable Projection Tele-Extender for LX Telescopes (07348) Meade brand tele-extender Tele-Extender for LX Models 15-22mm eyepiece Dimensio...

Parallax Tube Rings for Takahashi Epsilon 180 Pair of tube rings for Takahashi Epsilon 180 Technical Specifications Rings fit Takahashi Epsilon 180...

Parallax Tube Rings for Takahashi FC-100 DZ / DS Pair of tube rings for Takahashi FC-100 DZ / DS ID of 95mm. Technical Specifications Rings fit Tak...

Parallax Tube Rings for Tele Vue TV-76  Pair of tube rings for Tele Vue TV76 refractor. Technical Specifications Rings fit Tele Vue TV76 telescope....

Parcourir le Ciel de Claude Duplessis Suite à la connaissance des constellations, Parcourir le ciel vous entraîne vers l'exploration des objets du ...

Pegasus Adapter 3.29 inches (For SCTs C11, C14) Female to M68M Adapter 3.29 inches (For SCTs C11, C14) Female to M68M  Technical Specifications ...

Pegasus Adapter M54 Male to M48 Female Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 4 mm length In the Box Peagsus Adapter M54 Male to M48 Fe...

Pegasus Astro 2.1 to 2.1 Silicon Cables 1m  – for Cold Environments Male 2.1mm x 5.5mm to Male 2.1mm x 5.5mm Max current: 5A Silicon (Resistant...

Pegasus Astro 2.1 to 2.5 Silicon Cables 0.5m –for Cold Environments Male 2.1mm x 5.5mm to Male 2.1mm x 5.5mm Max current: 5A Silicon (Resistant to...

Pegasus Astro 2.1mm to 2.5mm Cables Male 2.1mm x 5.5mm to Male 2.5mm x 5.5mmMax current: 5ALength: 1.5m /5 feet In the Box 2 x Pegasus 2.1mm to ...

Pegasus Astro 2.5X5.5mm Female to XT60 Male Adapter for Power Supply Unit Pegasus Astro 2.5X5.5mm Female to XT60 Male Adapter for Power Supply Unit...

Pegasus Astro 6-Piece Motor Coupler Set for Motor Focus Kit Set of six solid metal motor couplers with bore diameters measuring 3 mm, 4 mm, 5 mm, 6...

Pegasus Astro Adapter 2.1 x 5.5mm female to GX12 (For NYX-101)  This Pegasus Astro 2.1mm x 5.5mm female to GX12 adapter allows you to convert the ...