Nebula Filter CLS 1.25-inch 14-5mm-eye-relief and details begin to materialize

and details begin to materialize that were not revealed at first glance

Explore Ultra-Wide Eyepieces - Comfort

this focal extender adds some real versatility to your telescope accessory line-up

Recommended for our 127mm and 152mm refracting telescopes (excluding our doublet refractors)

making it an ideal instrument for deep sky enthusiasts

Nebula Filter CLS 1.25-inch 14-5mm-eye-relief and details begin to materializeExplore Scientific Nebula Filter 1. 25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98. 3% This is a general purpose light pollution reduction filter designed for observing the broad range of deep sky objects including nebulae and galaxies. The CLS does a good job of increasing contrast, providing a darker sky background.