WebAug 29, 2024 · Thin film coatings have extremely low surface scatter compared to aluminum or enhanced aluminum coatings. Dielectric coatings (if done right) will result in less scattered light. Examination with a laser source shows approximately a 5 fold reduction in surface scatter, a tremendous improvement over aluminum mirrors. WebAug 7, 2024 · Tunnel Effect ZWO 385 --> 533 (8" SCT) - posted in Electronically Assisted Astronomy (No Post-Processing): Hello All, I am hoping someone can help me understand the tunnel effect and/or dark corners I am getting in my images. I upgraded from the ZWO 385 --> 533 (uncooled). I was doing fine with the 385 attached to the Celestron stock …
Is this collimation decent for imagery? Secondary collimation hell ...
WebMay 9, 2024 · Doing so minimizes the use of the other two screws which grab and rotate the diagonal, but also tilt it away from focuser center. The single screw minimizes unwanted rotation and displacement. In my experience, easier collimation begins with accurate diagonal position under the focuser. That is probably why it is step 1 of the collimation … WebDec 18, 2024 · If you don't mind the slightly dimmer view of Amici diagonals and the longer light path that is up to you. The light in an Amici diagonal bounces off the prism surfaces 5 times verses one for a mirror or 90 degree diagonal prism. Most of the time you won't notice it unless you test them side-by-side. chuy\u0027s calories
Which diagonal for C8? Baader T2 Prism, TV Everbright, other?
WebOct 2, 2024 · Bill, has helped make observers aware that prisms are unquestionably the best diagonal for planetary observation in scopes more dedicated for that application. +1. The best comparison and review of diagonals I've ever read. +1 Excellent job, Bill! Bill's reviews, as he might say about the gear itself, are "in a different league". Thanks a lot Bill! WebMay 12, 2024 · Orion 2" Dielectric Diagonal or William Optics 2" DuraBright? - posted in Equipment (No astrophotography): Ive done a lot of online research, chatted with a few individuals and now I come to you. Lots of observers seem to love their WO DuraBrights, but not much chatter about the Orion Dielectrics from what I can gather. Now, my situation: … WebApr 23, 2024 · Loc: Castro Valley, CA. Posted 27 May 2024 - 12:15 PM. The push pull mirror focusing in a SCT allows for a lot of focal distance. The stock diagonal is not as bright or square as the dielectric mirror type diagonals. The 2" option is good so at some point you can venture into the 2" eyepieces for wider FOV. dfw airport digital twin