Visual Filters

Antlia methane (CH4) filter is a specialized filter that allows light in the near infrared portion of the spectrum centered at 889nm to pass throug...

Antlia HB-OIII filter is engineered specifically for night visual nebulae observation at a high contrast and Deep-sky astrophotography. Its transm...

Antlia Venus-U filter is designed for imaging the cloud structure of Venus and Jupiter with CCD cameras on a telescope. Cloud details primarily re...

Targets C2 Swan Bands in comet gas tails 15nm bandpass for high-contrast views O-III parallel transmission for nebula observation Available in 1.2...

Set of 6 essential color filters for lunar and planetary observing Planeoptically polished to maintain image sharpness at high magnification Doubl...

Enhances contrast for lunar and planetary observing Significantly darkens skyglow background Reveals subtle details in Jupiter's cloud belts and M...

Available in 6 distinct colors for targeted planetary observation Planeoptically polished to 30 arcseconds for zero image degradation 7-layer anti...

889nm Center Wavelength 8nm Bandwidth (FWHM) Targets Methane Absorption Band High-Contrast Planetary Imaging 1.25" Filter Format Description FA...

Enhances lunar and planetary contrast with a Neodymium glass substrate Suppresses skyglow from artificial lighting without aggressive color shifti...

Four Neutral Density Options: ND 0.6, ND 0.9, ND 1.8, and ND 3.0 Two Standard Sizes: 1.25" and 2" round mounted cells Coatings: Baader Planetarium...

Continuously variable brightness adjustment Available in 1.25" and 2" barrel sizes Reduces glare on the Moon and bright planets Single-unit, doubl...

Available in 1.25" and 2" Barrel Sizes Essential for Brightness Control with a Herschel Wedge Enhances Contrast on Planetary and Lunar Targets Sta...

350nm Central Wavelength 60nm Bandwidth (320-380nm) ~80% Peak Transmission Blocks Visible and IR light from 200nm to 1120nm Dielectric Multi-Coate...

Delivers the absolute highest contrast views of many diffuse and planetary nebula. For many objects, the Baader O-III reveals a level of intricate ...

Four essential 1.25" planetary filters: #12 Deep Yellow, #21 Orange, #80A Blue, and ND-96-0.3 Enhances specific details on the Moon, Mars, Jupiter...

Reduces overwhelming brightness and glare from the Moon Enhances contrast to reveal finer surface details Threads directly onto most standard 1.25...

Four essential 1.25” lunar filters in one kit Three Neutral Density (ND) filters reduce brightness with 13%, 25%, and 50% transmission Moon & ...

Reduces overwhelming brightness from the Moon and bright planets Transmits only 13% of incoming light for comfortable viewing Fits all standard 1....

Isolates doubly-ionized oxygen lines (496nm and 501nm) Provides extreme contrast for planetary and emission nebulae Blocks the entire visual spect...

Isolates the 496nm and 501nm Oxygen III wavelengths Blocks the entire visual spectrum from 400nm to 700nm Ultra-hard, vacuum-deposited coatings pr...

Adjustable light transmission from 1% to 40% Standard 1.25” filter format fits most eyepieces Reduces brightness without altering an object's natu...

Methane absorption band filter. This filter enhances contrast when imaging objects containing significant levels of methane. Methane-rich component...

Filter No.12 Filter No.21 Filter No.23A Filter No.56 Filter No.82 Moon & Sky filter

The Variable Polarizing Filter is an essential tool for astronomical observing, designed to enhance your viewing experience by reducing glare and c...