APM Telescopes. Light Pollution Filters

CLS Filters

These filters are suitable for photography from areas polluted by artificial light with cameras that are also sensitive in the infrared. The contrast of all deep sky objects is increased.

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EXPLORE SCIENTIFIC OPTOLONG 2'' L-eXtreme Deep-Sky Light Pollution Filter

The L-eXtreme is a two-band filter and the ideal choice for strong light pollution suppression. It allows astrophotography of objects with narrow-band emission in the O-III and H-alpha lines out of the city.

319.00 €

Estimated delivery time : 3-4 days

EXPLORE SCIENTIFIC OPTOLONG 2" L-Pro Deep-Sky Light Pollution Filter

The L-Pro Filter is the best choice for light pollution suppression and allows astrophotos to be taken of broadband emission objects such as galaxies, reflection nebulae and globular star clusters.

229.00 €

Estimated delivery time : 3-4 days

Optolong L-Pro Filter 1.25" Nebular Filter for Astrophotography

The L-Pro Astrophotography filter is a filter for improving the contrast of deep-sky objects and dampening the sky background.

blocks UV and IR (700 - 1100 nm)
high transmission at passband
improved color balance for DSLRs and One-Shot Color Astro Cameras, e.g. ASI Color Cameras cooled or uncooled by ZWO.
high optical quality
in 1.25" filter cell
The L-Pro Nebula filter permits roughly 3x longer exposure times than without a filter and therefore improves contrast significantly.

149.00 €