Astronomy Plus UV/IR Filter - USED

A UV/IR cut filter is a valuable addition to any astrophotography setup because modern digital sensors are sensitive far beyond the visible spectrum, capturing ultraviolet and infrared light that telescopes and camera optics are not designed to focus accurately. This unwanted light can soften fine details, reduce contrast, and introduce color casts that make stars appear bloated and planetary features look less defined.

By blocking UV and IR wavelengths while allowing visible light to pass cleanly, the filter helps deliver sharper images with tighter stars, improved contrast, and more natural, balanced colors. This is especially important for refractors and color cameras, where infrared light often falls out of focus and subtly blurs the entire image. High-quality optical glass and advanced coatings further enhance image quality by minimizing reflections, reducing ghosting, and preserving delicate color gradations, allowing subtle details in nebulae, planets, and the Moon to stand out more clearly.

The result is an image that looks cleaner, more precise, and closer to what the telescope is truly capable of resolving. Beyond image improvement, a UV/IR cut filter can also serve as a protective element for your optical train, making it suitable for permanent use without affecting normal visual-light performance. Whether you are imaging planets, the Moon, or deep-sky objects, using a UV/IR cut filter helps ensure that only well-focused, useful light reaches your sensor, maximizing sharpness and color fidelity. 

Technical Specifications

Available size : 

• 1.25''
• 2''

In the Box

Selected filter size :

• 1.25''
• 2''