Lunt 50mm tunable H-alpha filter 2" diagonal 12mm blocking filter for scopes under 1200mm focal length
$1,961.00

Availability: More on the way

This 50mm clear aperture Lunt H-alpha filter can be used to provide striking views of solar prominences and disk detail with virtually any telescope having a focal length under 1200mm . . .
SKU: LS50B122