Filters

Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are ...

For visual observation

UV/IR-cut filter with anti-halo coating Blocks ultraviolet and infrared wavelengths Reduces halos around bright stars Improves contrast and color ...

UV/IR-cut filter for astrophotography Blocks ultraviolet and infrared wavelengths Improves color accuracy and image sharpness 1.25″ filter size Co...

This kit contains a methane filter, an AllSky lens and a lens adapter. It's made for the QHY5III462C camera only.

Dual-bandpass filter for astrophotography Optimized for H-alpha and OIII emission lines Description The William Optics STC Ast...

Multi-bandpass filter for astrophotography 48mm thread-on design for easy attachment Description The William Optics STC Ultra ...

AR Protective WindowZWO D21 AR protect windowTechnical Parameter:Diameter: 21mmType: AR windowThickness: 1.1mmFlatness: 1/4 λProtect the sensor fro...

The ZWO Methane band (CH4) filter is a special filter for photographical use.Its FWHM is 20nm which is suitable for most IR sensetive color or mono...

ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at t...

ZWO 1.25″ IR 850nm Pass Filter suitable for IR sensitive cameras. You don’t need to debayer and get the full resolution of this sensor when use it ...

UV IR-CUT Protective WindowZWO D21 UV IR-CUT protect windowTechnical Parameter:Diameter: 21mmType: UV IR-cut windowThickness: 1.1mmFlatness: 1/4 λM...

The new ZWO LRGB Filters are designed to approximately equalize the flux of ASI1600 mono sensorBetter transmission, Better coating, Better color...

7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

Precise 7nm Bandpass Enhanced Contrast for Emission Nebulae Light Pollution Reduction ...

IR-Cut 1.25" or 2" Thread Size Description Specifications Diagrams & Ressources In the ...