The Optolong L-eNhance Filter - Triple-Bandpass for Light Pollution
Designed to maxamise 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.
Optolong L-eNhance Filter 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
| Substrate: | B270 |
| Thickness: | 1.85mm |
| Tpeak: | T>90% |
| Blocking range: | 300-1000nm |
| Blocking depth: | Light pollution blocking >99% |
| Surface quality: | 60/40 |
| Transmitted Wavefront RMS: | λ/4 |
| Parallelism (arcsec): | 30s |
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.
