Optolong L-eNhance Filter for Deep Sky narrowband Imaging - 2" Expl 5mm focal length will produce

5mm focal length will produce high magnifications that are great for observing objects like the Moon

The Full Width Half Maximum (FWHM) is then ~20°

● Find out how good the night or site REALLY is

A switch at the back of the unit let the user switch between the different reticles patterns

No carrying case is available with this model

Optolong L-eNhance Filter for Deep Sky narrowband Imaging - 2" Expl 5mm focal length will produce1. L eNhance Introduction The relentless spread or urbanization and its associated light pollution have become a growing problem for all amateur astro photographers. The current solutions to the problem can be expensive and might include the purchase of a monochrome camera, several types of narrowband filters and a filter wheel. Optolong L eNhance provides an economical and practical solution for amateurs. It is a dual band pass filter which has been