Celestron’s EdgeHD 0.7x Reducer Lens makes your EdgeHD 1400 one full f/stop faster than f/11 and increases the field of view by 43 percent. All lens elements are made from lanthanum glass with full ...
Figure 1 (a) Structure of the mesoscopic objective, (b) Aberration distribution of the mesoscopic objective, (c) Wide-field imaging system built with the mesoscopic objective, (d) Laser point-scanning ...
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