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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
This Explore Scientific 52° 20 mm Waterproof Argon-Purged Eyepiece provides all the comfort
Tele Vue 55mm Plossl Eyepieces deliver sharper images than any other brand of 4 or 5 element "Plossl" or Orthoscopic telescope eyepiece designs
available separately
Light Gathering Power (Compared to human eye): 1127 x
74 arc seconds Resolution (Dawes) 1
Sky-Watcher 0.77x Reducer/Flattener for Esprit 120 - S20209 Tele Vue Eyepieces This Explore Scientific 52° 20Sky Watcher 0. 77x Reducer Flattener for Esprit 120 Sky Watcher 0. 77x Reducer Flattener Only for the Esprit 120 Focuser Compatible with both APS C and full frame sensors 34 mm fully illuminated field is available Also good to use for full frame cameras Provides a 95 mm back focus Or, 55 mm when back focus spacer and M48 ring installed Lowers f ratio from native f 7 (840 mm) to f 5. 4 (647 mm) Reduces exposure time by 68% compared to native f 7 3. 18
US$ 12.95
US$ 18.95
US$ 99.00
