Unlike the Optolong L-eNhance filter which is a tri-band (transmits Hb, Ha, and OIII), the L-eXtreme filter is...
Optolong UHC with narrower passband provides higher contrast. Thus it is more suitable for urban environment w...
Improved narrowband SII 6.5nm filter (Sulful II for CCD) is designed for nebula observation allowing 6.5nm ban...
Improved Narrowband OIII 6.5nm filter is designed for nebula observation allowing 6.5nm bandwidth of light cen...
Optolong H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wav...
Clear Sky Filter is a light pollution filter supressing light pollution to improve contrast of the Milk Way. ...
SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters, generally working with a...
The LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiati...
Optolong L-Pro is multi-bandpass filter which offers better color balance by maximizing the transmission band....
Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and m...
![[2020 NEW] Optolong L-eXtreme dual-band astronomy narrow band filter](/uploads/images/20201221/085041169589dd54ef38ccce074839bc.jpg "[2020 NEW] Optolong L-eXtreme dual-band astronomy narrow band filter")
