The Optolong L-eNhance Filter - Triple-Bandpass for Light Pollution

Designed to maximise 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.

Key Features

• Light Pollution Solution: Blocks unwanted light while allowing critical emission lines to pass, making it ideal for urban imaging.
• Designed for Color Cameras: Ideal for DSLR and color CMOS cameras, providing a practical and economical alternative to monochrome setups with multiple filters.
• High Transmission: Allows up to 90% transmission of H-alpha, H-beta, and OIII nebula emission lines for crisp, clear images.

Technical Specifications

Available Sizes

Currently available in 1.25" and 2" mounted options. Other sizes will be listed when available.

Sample Images

Imaging target: Vela Supernova Remnant
Camera: CentralDS Astro A7s (cooled)
Lens: Canon EF 300mm f/4L (non-IS)
Filter: Optolong L-eNhance
ISO: 6400
Exposure: 1min x 81 frames
Process: PI, PS CC

Order Your Optolong L-eNhance Filter Today

Elevate your astrophotography with the Optolong L-eNhance Filter, the ideal solution for light-polluted skies. Order now at Dark Clear Skies and capture stunning nebula details with ease.