Optolong L-Quad Broadband Light Pollution Filter: 2 Inch mounted
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For Sale: Optolong L-Quad Broadband Light Pollution 2 inch mounted Filter
Asking $130, new cost $219 plus tax.
Shipping included by USPS to the CONUS only.
Accept Paypal , add 3% fee or use Friends and Family.
I also accept Zelle.
Thanks for looking!
L- Quad Enhance Filter Spectrum
Based on the characteristics of celestial bodies’ emission lines and light pollution emission lines, L-Quad Enhance filter effectively reduces the impact of light pollution and suppresses the background light of astronomical objects, thus effectively enhancing the contrast and details of the celestial bodies. Using L-QEF filter can help you save a lot of time during the shooting process, yet obtaining incredible results.
- Substrate: Optical glass
- Thickness: 1.85mm
- FWHM: Quad bandpass filter
- Blocking range: 300-1000nm
- Blocking: OD2-OD4
- Surface quality: 60/40
- Transmitted Wavefront RMS: λ/4
- Parallelism: 30"
Filter Ring:
- 2" mounted (M48x0.75 male thread).
Asking $130, new cost $219 plus tax.
Shipping included by USPS to the CONUS only.
Accept Paypal , add 3% fee or use Friends and Family.
I also accept Zelle.
Thanks for looking!
