rcrg610
Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
rcog590b
rcog550b
rcog570
rcog530
rcog515b
rcgg475
rcgg495
rcgg455
rcgg420
rcgg400b
rcgg385
rcgg375
rcwg360
rcwg345
rckg3
Bandpass Filter.
rckg2
rc496
rcbg39
koog570
KOSMOS dedicated blocker
rcbg38
kogg395
kogg495
kogg530
kogg455
kobg38
Bandpass filter. For engineering purposes, not available to users.
kokp1517
KOSMOS Approved KPNO 4in. Filter.
kokp1498
kokp1497
kokp1496
kokp1495
kokp1494
kokp1391
kokp1390
kokp1468
kokp811
kokp1519
gc375
gcrg695
gc051
gcrg610
gcog570
gcog550
gcgg495
gcog530
gcgg475
gcgg455