Products

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 ...

<img src="https://cdn.shopify.com/s/files/1/0327/2569/6648/files/comparison.jpg?v=1624746966" alt="Optolong Filter Comparision"><br><...

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...

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...

The SII/OIII filter that brings Hubble Palette imaging to your color camera. The L-Synergy is Optolong's newest narrowband filter, introduced in 20...

The Optolong L-Ultimate 2" filter is a precision 3nm dual-narrowband light-pollution imaging filter designed for high-contrast emi...

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...

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...

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

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...