Light Pollution Suppression filter for astro photography with DSLR, colour and mono CCD cameras. Designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.
- Direct canon eos connection (clip filter)
- Glass thickness: 1.88mm
- AR coating and high parallelism
- Completely resistant against high humidity, scratches and aging effects
- Diffraction limited, the filter will not reduce the optical performance of your telescope