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74") Focal Ratio f/13 Focuser Internal Secondary Mirror Dielectric coatings
durable construction
Notice: Some BFL solution is 56mm (Compensate light path differences which caused by filters)
dew heater 10%
the Astronomik Deep-Sky RGB filters are crafted to deliver vivid colors with excellent emission line contrast
Sharpstar 1.0x Flattener for 61EDPH III aps-c mono camera 74") Focal Ratio f/13 FocuserSharpstar Full Frame Flattener for 61EDPH III This field flattener for the Sharpstar 61EDPH III provides a flatter field for astrophotography, minimizing aberrations and haloing in images. Supporting full frame camera sensors, this field flattener is a great compliment to an astrophotography setup based on the 61EDPH III. On the technical side, one end of the flattener connects to the focuser of the 61EDPH III with M68x1 threads. The other end has
US$ 160.00
US$ 160.00
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US$ 195.00
