Products

Optec TCF-LSI 2-inch Temperature Compensating Focuser Following the long tradition of the TCF-S Temperature Compensating Focuser, Optec's TCF-LSI f...

Optec TCF-Lynx Robust 2-inch Focuser Following the long tradition of the TCF-S Temperature Compensating Focuser, Optec's TCF-Lynx features a robust...

Optec TCF-LSI 3" Following the long tradition of the TCF-S Temperature Compensating Focuser, Optec's TCF-LSI features a robust 3-inch Crayford-styl...

Optec ThirdLynx DirectSync SWX30 Optec's DirectSync SWX30 motor was developed specifically for the SkyWatcher 3-inch focusers and features our Thir...

Optec ThirdLynx QuickSync FTX30 Motor for Feathertouch Focuser Optec's QuickSync FTX30 motor features our new ThirdLynx control circuit. FTX30 fits...

Optec ThirdLynx QuickSync TKX QuickSync TKX motor with integrated ThirdLynx controller for Takahashi dual-speed MEF focuser. Compatibility: Takaha...

Optec Universal M54 Adapter for Lepus Lepus Universal M54x0.75mm Adapter, 50mm long M54-thread adapter for any camera with 55mm depth-to-sensor. De...

Optec-DSI 3.5" Telescope Spacers High Performance 3.5″ Threaded Extension Rings Rich Simons of Deep Sky Instruments and Optec have jointly develope...

Optolong 2" L-Synergy 7nm Dual NarrowBand Filter (SII and OIII)    Optolong L-Synergy is a dual 7nm narrowband filter compatible with DSLR cameras,...

Optolong Clear Focusing Filter Optolong Clear focusing filter is designed to highly pass the visible spectral region 420-680nm at 98.5% transmissio...

Optolong Clear Sky Filter Screw on Lens 1. Optolong Clear Sky Filter Introduction A screw on filter with the easiest installation way like UV fi...

Optolong CLS (City Light Suppression) Broadband Filter 1.  Optolong CLS Introduction The CLS (City Light Suppression) broadband filter is designed ...

Optolong CLS CCD (City Light Suppression) Broadband Filter The CLS (City Light Suppression) broadband filter is designed to improve the visibility ...

Optolong H-Alpha 7nm Narrowband Filter Optolong improved version of H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of l...

Optolong Hydrogen Alpha Narrowband 3nm   Original manufacturer description below. Improved description/specifications coming soon. H-Alpha 3nm fil...

Optolong NB Filters SHO 6.5nm Narrowband Filter Kit Optolong SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters, ...

Optolong Improved OIII 6.5nm Narrowband Filter Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing...

Optolong IR Pass685 Planetary Filter Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging ...

Optolong L-eNhance Duo Band Filter The relentless spread or urbanization and its associated light pollution have become a growing problem for all a...

Optolong L-Extreme Dual-Band Astronomy NarrowBand Filter The advantage of the L-eXtreme filter is that there is no transmission between the H-beta ...

Optolong L-eXtreme F2 Fast Optics Dual Narrowband Optolong L-eXtreme F2 is a dual-band (500.7 nm and 656.28 nm, FWHM=7 nm) narrowband pass filter t...

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-Pro Filter The Optolong L-Pro Filter is designed to improve the visibility of various deepsky objects. By selectively reducing the trans...

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...