$219

Notch Filter 532nm negative filter green light cut off

$28.99

Solar Filter Baader Film Adjustable Metal Cap for Telescope 50-252mm Lens Hood

$289

Optolong L-Ultimate 1.25" Dual Bandpass Light Pollution Reduction Imaging Filter

$13.15

Telescope Filter 1.25 inch for Astronomical Telescope Eyepiece Replace

$5.08

1pc telescope Barlow Lens Metal Frame Green Filter M30x1mm f 1.25'' Eyepieces

$12.7

GSO 1.25" Color / Planetary Filter - #25 Red

$49

SV139 Telescope Filter Moon Filter Kit 1.25 inch ND4 ND8 ND16 ND1000 for Tele...

$22.55

Sunspot Objective Lens Solar Film Binocular Telescope Accessories Filter Film

$39.59

184-210mm Astronomical Telescope Solar Filter PET-coated Film for Sun Observing

$150

Astronomik Ha CCD Filter T2

$42.51

2"/1.25" Optolong UV IR Cut Filter for CCD Digital Astrophotography

$9.89

1.25inch Moon Skyglow Telescope Filter for Astromomic Telescope Eyepiece