Optolong UV/IR Cut

Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of...

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[2020 NEW] Optolong L-eXtreme dual-band astronomy narrow band filter

Unlike the Optolong L-eNhance filter which is a tri-band (transmits Hb, Ha, and OIII), the L-eXtreme filter is...

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Optolong SII 6.5nm imaging narrow band filter for nebulae photography

Improved narrowband SII 6.5nm filter (Sulful II for CCD) is designed for nebula observation allowing 6.5nm ban...

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Optolong improved OIII6.5nm narrowband filter

Improved Narrowband OIII 6.5nm filter is designed for nebula observation allowing 6.5nm bandwidth of light cen...

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Optolong H-Alpha 7nm Narrowband Filter Improved Version for deepsky nebula imaging

Optolong H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wav...

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Optolong improved NB filters SHO6.5nm narrowband filter Kit

SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters, generally working with a...

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LRGB Filter Kit

The LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiati...

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L-eNhance filter for color CMOS or CCD color camera or DSLR

Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and m...

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Optolong LPS filter L-Pro for deep sky nebula consteallation photography

Optolong L-Pro is multi-bandpass filter which offers better color balance by maximizing the transmission band....

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L-eNhance Filter 1.25"

Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and m...

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