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At these longer wavelengths
hydrogen (H-alpha)
Easy to use and easy to view the info on the screen
There is an ever-growing demand for filters suitable for extremely fast optical systems like Celestron's RASA and Takahashi's Epsilon Astrographs
15oz Dimension 400*96*170mm
Optolong L-eNhance Filter – Triple-Bandpass for Light Pollution Imaging Size:2" At these longer wavelengthsThe Optolong L eNhance Filter Triple Bandpass for Light Pollution Designed to maxamise your imaging potential under light polluted skies, the Optolong L eNhance Filter is a triple bandpass narrowband filter, ideal for DSLR, color CMOS, and CCD cameras. It isolates key nebula emission lines like H alpha, H beta, and OIII, with up to 90% transmission efficiency. Optolong L eNhance Filter Key Features Light Pollution Solution: Blocks unwanted light while
