Thousand Oaks Optical LP-4 H-Beta (Red Cell) 2" Filter
Enhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than. gentle transition slopes in other brands brands. This means better contrast and overall performance.
LP-4 H-Beta For Horsehead, California nebula and other faint nebulae.
|Manufacturer||Thousand Oaks Optical|