Products

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...

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...

1.  L-Pro 1.1 Introduction In suburban areas with weak light pollution, the color balance is good. The design of multi-band pass ensures excellent ...

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

SummaryThe L-Quad Enhance Filter is a quad bandpass light pollution filter designed for use with color cameras.  It suppresses light pollution gene...

OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green an...

OIII emits 495.9nm and 500.7nm and it is a blue-green colored filter. Many of images of planetary nebula and supernova remnants are taken only with...

Main Use and Performance Use with H-alpha and OIII-CCD extra narrowband filters (SHO Set) for tricolor CCD astrophotography Narrowband imaging wi...

Optolong UBVRI Photometric filters - Set of five mounted 1.25" filters for use in imaging filter wheels. Set includes Ultraviolet (U), Blue (B), V...

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

Optolong UHC nebula clip filter for Canon EOS APS-C cameras! The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility ...

Optolong UHC nebula clip filter for Canon EOS full frame cameras! The UHC (Ultra High Contrast) broadband filter is designed to improve the visibi...

It is used on a digital camera and the video, which do not have an IR protection filter toward an image sensor or were remodeled. This is important...

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

Quality Filter Materials: Schott B260 substrate material from Germany, 2.0mm thick CNC machined and black anodized aero-metal filter cell that is u...

Interchangeable replacement tops for Starizona's Original Filter Slider. Not compatible with Starizona's newer Modular Filter Slider.   Top Plate T...

Use this adapter to put a 2" male nosepiece onto the original (non-modular) Starizona Filter Slider to use on anything that accepts a 2" barrel.   ...

Store your 8” Schmidt-Cassegrain or EdgeHD optical tube in this protected, portable, grab-and-go case. Ultra-durable and water resistant, 900 den...

Safeguard your Celestron Origin: This sleek, grab-and-go case for Origin’s 6” RASA telescope tube offers the ultimate protection and portability....

PEC*PADs are the ideal photo wipes for those who hate photowipes! Until PEC*PADs came along, photowipes fell apart, left lint and scratched emulsio...

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Written by a dedicated selenophile (a person who loves the Moon), this guide to Earth's celestial companion is a non-technical narrative that quick...

This adapter lets you install your mount onto an iOptron Tri-Pier 360 (#8037, NOT 8037A) and Permanent Pier (#8038) with a 180mm diameter pier. Cur...

Allows camera to be piggybacked on top of a Celestron SCT. Uses standard 1/4"-20 tripod mount screw.

What do you see when you look up into the sky at night? The moon, stars, maybe even a comet or asteroid? You can also see other planets! In Planet...

Best-selling star chart, ideal for beginning astronomers!These charts are the perfect way to learn the stars and constellations. Simply rotate the ...

Best-selling star chart, ideal for beginning astronomers!These charts are the perfect way to learn the stars and constellations. Simply rotate the ...