Filters

2" Venus U-Filter (BPU2)

Description The Baader Venus filter blocks the entire spectral region from 200nm to 1500nm except fo...

1.25" ND 0.9 Neutral Density Moon Filter (310245)

Description The neutral density filter transmits light uniformly across the entire visual spectrum. ...

Red Continuum 5 nm Filter

Our Take Astrodon narrowband filters are some of the best on the market.  The build quality of ...

IR Pass Filter

Description This filter finds application in planetary imaging. It is a favorite of webcam users whe...

2" Neutral Density Moon Filter (BPND18)

Description This 2" filter is threaded for 48 mm metric threads. It has a transmission rate of 1.8%,...

V-Bessell Filter

The Chroma V-Bessell Filter is a green (visible) photometric filter in the UVBRI series, built with ...

Nebula Booster NB3

Description Now the #3 booster engine is ignited. IDAS has set the new industry standard for OSC ima...

Visual Narrowband O-III Filter

Description Visual Narrowband O-III Filter - 1.25" (BPO3125) and 2" (BPO32) The non plus ultra for v...

LPS-C1 Filter 2"

(LPS) Light Pollution Suppression Filter Effectively suppressing white LED sky glow Maintains the go...

ZWO New Narrowband 2″ Filter

Product Description A narrowband filter does not eliminate the effects of light pollution or increas...

#38A Dark Blue Filter

Description This Lumicon #38A Dark Blue Filter is a Lumicon Color Filter. Made from renowned Sc...

OIII Filter

Tele Vue's visual OIII filter is designed to increase contrast on nebulae that are rich in the Oxyge...