WebDec 23, 2024 · I first noticed and then purchased this design series in 2006 marketed as an Orion Expanse. The 9mm is a 6 element eyepiece and is the pick of the litter in my experience with them. The 6mm is a 5 element design, the 15 and 20mm eyepieces are 4 element designs that show a lot of off-axis astigmatism in F/5 and F/6 telescopes. WebApr 25, 2024 · Come join the newest, most engaging and inclusive astronomy forum geared for beginners and advanced telescope users, astrophotography devotees, plus check out our "Astro" goods vendors.
Orion Expanse 9mm Telescope Eyepiece - 1.25" OPT Telescopes
WebWith its 66° apparent field of view, this 9mm Orion Expanse Telescope Eyepiece will definitely turn up the Wow! factor in your deep-sky observing experiences! Imagine taking in objects like the Andromeda Galaxy, the Double Cluster, or the star clouds in Sagittarius in one sweep! With an Expanse in your focuser, you can! WebDora D Robinson, age 70s, lives in Leavenworth, KS. View their profile including current … ron sexton aka donnie baker biography
Eyepieces for an Orion XT8? : r/telescopes - Reddit
WebNov 5, 2024 · My Orion 6 and 9mm have 22mm chromed brass barrels featuring an undercut. At 75mm the 6mm is 5mm taller than the 9mm eyepiece. Both have 20mm eye lenses with the 6mm having an 8mm field stop compared to a 15mm stop in the 9mm. Orion Telescopes & Binoculars claim around a 15mm eye relief for both the 6mm and 9mm … WebThe Orion Expanse is a series of wide angle (66 degree) eyepieces. I have the 9mm and am delighted with it. For an XT8, I've heard people recommend a 6mm eyepiece, since that is about the maximum useful magnification for planetary use (it's a bit too much for my long focal length scope). The Expanse has several budget no-name brand competitors ... WebNov 29, 2024 · Orion Expanse vs Svbony Redline - posted in Eyepieces: Hi, Im a 15 year old whos buying their first telescope, an XT8. Because the scope doesnt come with a high power eyepiece, I was thinking to buy a 9mm Konig (much of my family wears glasses) and a 2x Barlow to give a nice range of magnification. Im trying to decide between the Orion … ron sexsmith other songs