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Come join the friendliest, most engaging and inclusive astronomy forum geared for beginners and advanced telescope users, astrophotography devotees, plus check out our "Astro" goods vendors.
"Confirming the exit pupil effect" Member OzEclipse (Joe) conducts an analysis of exit pupils on two eyepieces with an observation of the Eta Carinae Nebula. When our pupils become dilated due to dark adaptation the effects are much different when compared to a non-dilated pupil. What does this mean... Read more...
-Michael Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50 Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl Camera: ZWO ASI 120 Naked Eye: Two Eyeballs Latitude: 48.7229° N