UV/IR Cut, IR Pass & Clear

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

Optolong Clear Focusing Filter Optolong Clear focusing filter is designed to highly pass the visible spectral region 420-680nm at 98.5% transmissio...

Optolong IR Pass685 Planetary Filter Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging ...

Optolong Night Sky H-Alpha filter Night Sky H-Alpha filter (IR Pass 650nm) with 50% transition from blocking to passing at about 640nm and 95% or a...

Optolong Clear Sky Filter Screw on Lens 1. Optolong Clear Sky Filter Introduction A screw on filter with the easiest installation way like UV fi...