Vol. XVIII · Free shipping $75+ · Read the collection
Login Register
Feature · Product Review

Optolong L-Para 2" Dual-band Filter Adapter compatible with various astronomical accessories

Optolong L-Para 2" Dual-band Filter Adapter compatible with various astronomical accessoriesL Para is a brand new dual narrowband 10nm light pollution filter. The FWHM of L Para is 10nm for OIII (500. 7nm) and H Alpha (656. 3nm) respectively. The transmittance of nebulae emission lines are both greater than 85% in system with focal ratios of F2 and above. It effectively filters out mercury lamp, sodium lamp, and LED light pollution emission lines. At the same time, it has excellent contrast and anti halo characteristics, allowing you to

SKU: 82688810812 · From elitechmx.com

4.7
USD139.50 USD174.50

Pay in 4 interest-free payments of $34.88 Learn more

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

Description

compatible with various astronomical accessories

It has taken a good 15 years

can support a high load capacity of up to 5kg（11

Cleaner setup

The best solution of 55mm back focus length

Optolong L-Para 2" Dual-band Filter Adapter compatible with various astronomical accessoriesL Para is a brand new dual narrowband 10nm light pollution filter. The FWHM of L Para is 10nm for OIII (500. 7nm) and H Alpha (656. 3nm) respectively. The transmittance of nebulae emission lines are both greater than 85% in system with focal ratios of F2 and above. It effectively filters out mercury lamp, sodium lamp, and LED light pollution emission lines. At the same time, it has excellent contrast and anti halo characteristics, allowing you to

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

You may also like

recommand products