Sale!
Optolong 31mm H-Alpha 7nm Filter

Optolong 31mm H-Alpha 7nm Filter

Original price was: $133.00.Current price is: $75.16.

Free shipping on orders over $50
SKU: OL-HA-31 Category:
Guaranteed Safe Checkout
  • H-alpha 7nm 31mm Filter
  • A threaded version of this filter is pictured. Actual product is a 31mm unmounted filter
  • A very narrow emission-line filter
  • Permits a 7nm bandwidth of light (focused on the 656nm wavelength) through
  • Blocks transmission of contrast-killing light pollution wavelengths

Related products

Shopping Cart
Optolong 31mm H-Alpha 7nm FilterOptolong 31mm H-Alpha 7nm Filter
Original price was: $133.00.Current price is: $75.16.