Custom Scientific Hydrogen Alpha Filter,653.6, 4.5nm bandpass
Custom Scientific Hydrogen-Alpha filter (H-alpha) 1-1/4" 656.3, 4.5nm bandpass
Excellent condition, no scratches or blemishes.
This filter is designed for non-solar imaging, and is used to image deep-sky objects that emit in the h-alpha passband.
If paying via PayPal, please add 3% to total cost.
Shipping and handling: $10.00 to continental USA. Other countries will be UPS calculated value.