Primarily used for visual observing of OIII refection nebula.
Recommended for use with 8" or larger telescope apertures.
Specifications
SKU (#) : |
2458395 |
WEIGHT (KG): |
0.059 |
TRANSMISSION RANGE: |
O-III |
FILTER THICKNESS (WITHOUT CELL): |
2 mm |
HBW (HALFBANDWIDTH): |
10nm |
CWL (CENTRAL WAVELENGTH): |
502 nm |
AR-COATING: |
dielectrically coated, planeoptically polished |
FILTER SIZE: |
1 25 inch |
FILTER USAGE: |
Contrast Enhancement, O-III, Planetary |
FILTER MOUNTED: |
Mounted (LPFC 6mm) |
TYPE OF FILTER: |
Narrowband |
SINGLE OR SET?: |
Single Filter |
FILTER SHAPE: |
round |