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Optolong H-Alpha 7nm

optolong.com/.../59.html
TypeHydrogen-alpha (Hα)
SizeOther
Bandwidth7 nm
Users 625
Images 4863
Most often used with
ZWO ASI2600MM Pro
Known retailers High Point Scientific
Also available in the following variants:
H-alpha 7nm 1.25"
1.25"
2"
31 mm
36 mm
EOS clip filter