- added Opteka .45x High Definition Wide Angle Lens which is the same thread as my sigma lens ( 70.0-300.0 mm f/4.0-5.6) but not meant for it
Exposure:0.002 sec (1/500)
Aperture: f/11.0
Focal Length: 102 mm
ISO Speed: 250
NASA’s Europa Clipper Captures Uranus Using a Star Tracker
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Deep-space spacecraft spend years in transit before reaching their
scientific targets. During this long cruise, engineers rely on constant
system verific...
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