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Individual color filters allowing for selective wavelengths to pass, which can be combined in post-processing to create a full-color image.

A specialized filter isolating the spectral band where methane gas absorbs light, used to study planetary atmospheres.

Transmits light near 672.4 nm, where ionized sulfur emits, helping to view certain nebulae and supernova remnants.

Blocks ultraviolet (UV) and infrared (IR) wavelengths to prevent CCD sensor damage and improve image quality.

Allows light from the H-alpha spectral line (656.3 nm) to pass, highlighting features in emission nebulae and solar observation.

Designed to safely observe and photograph the sun by reducing its intensity and cutting UV and IR radiation.

Enhances contrast and brings out details in the atmospheric features of planets.

Reduces the effects of artificial light from urban areas to enhance the contrast of night sky objects.

Adjusts the amount of light passing through, reducing glare and increasing contrast, useful in lunar and planetary observation.

Reduces the intensity of all wavelengths or colors of light equally, allowing for longer exposure without overexposure.

Passes light from the doubly-ionized oxygen spectral lines commonly emitted by planetary nebulae and supernova remnants.