Products

Play Cards and Learn to Identify Constellations in the Northern Hemisphere! Anyone who enjoys nature, the great outdoors, and stargazing will love...

A red flashlight is one of the most beneficial accessories you can own as an amateur astronomer, no matter how occasional your night sky observatio...

A greatly revised and updated edition of the best-selling guidebook to stargazing The fifth edition of NightWatch: A Practical Guide to Viewing th...

The NOMAD star tracker from Move Shoot Move is a super handy portable tracking mount for shooting Milky Way photos with a DSLR or mirrorless camera...

Published annually by the Royal Astronomical Society of Canada, Observer's Handbook 2024 is the essential reference for professional astronomers, a...

Now expanded and in full color, and useful to 2060! This tremendous new edition of a classic book (previously published only in black-and-white) c...

Double-sided map of the lunar surface highlights key features like craters and maria that you can explore for yourself with your telescope Feature...

High quality optics start with each lens and/or mirror being hand selected so only the finest grade of optical glass is used StarBright XLT coatin...

  High quality optics start with each lens and/or mirror being hand selected so only the finest grade of optical glass is used StarBright XLT coat...

High quality optics start with each lens and/or mirror being hand selected so only the finest grade of optical glass is used StarBright XLT coatin...

Optolong H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducin...

Optolong L-eXtreme F2 is a dual-band (500.7 nm and 656.28 nm, FWHM=7 nm) narrowband pass filter that meets the requirements for transmission at con...

Technical Data Schott substrate material Thickness 2.0mm Surface Quality: 60/40 (Refer to MIL-O-13830) Fine-optically polished to ensure accurate ...

Sizes 2" Mounted Specifications CWL(centre wavelength): 656.3nm Fwhm: 7nm Tpeak: <85% Coating Wavelength: 300-1100nm Optical Denisity: OD3 Su...

Narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through Narrowband H...

Narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through Narrowband H...

Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging to produce a sharper luminance image ...

L-eNhance clip-filter designed for Canon EOS APS-C format cameras.  It is a dual-band pass filter which has been designed for DSLR, color CMOS and ...

Here's a cool comparison with a HyperStar C9.25 using no filter, a L-Pro Light Pollution Filter, and the new L-eNhance Filter from Optolong. The L...

L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is a...

Optolong L-Pro clip filter for Canon APS-C cameras! The L-Pro is designed to improve the visibility of various deepsky objects. By selectively redu...

  Optolong L-Pro clip filter for Canon EOS full frame cameras! The L-Pro is designed to improve the visibility of various deepsky objects. By selec...

Together with the highly transparent in main nebula emission lines at OIII(496nm and 500nm), H-beta (486nm), NII(654nm and 658nm), H-alpha(656nm) ...

Together with the highly transparent in main nebula emission lines at OIII(496nm and 500nm), H-beta (486nm), NII(654nm and 658nm), H-alpha(656nm) a...