APM Polarizing filter 1 1/4"This filter can be screwed into 1 1/4" eyepieces and can be used for individual light attenuation in combination with Herschel solar prisms. Turning the filter alters the brightness. (A Herschel prism polarises the light)
Delivery contains:
Products specifications
|
Barrel size / Filter thread
|
1 1/4" with filterthread |
|
Weight
|
1 oz |
|
Diameter
|
for 28.5 mm |
|
Coating
|
Anti reflective coated |
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Glass material
|
High precision plane-parallel glass |
|
Filter effect
|
Polarising filter |
