XT10 classic with premium optics Tri-knob CR2 focuser
Catseye + Glatter collimation tools
StarBlast 4.5" & 6"
Round Table Platform
Quote:Krupa will only adjust the primary mirror!!!
Quote:FYI: Theoretically, Kurpa is not as good as barlowed laser.Jason
Quote:Yeah, that's true. I was kind of thinking, with a solid tube dob,
that most nights I would just check the primary and go.
Krupa looks fast and accurate to me.
Secondary adj. isnt necessary every time, is it?
FYI: Theoretically, Kurpa is not as good as barlowed laser.
Orion XT12i with Swayze-refigured primary & Protostar secondary
Televue NP101 refractor
William Optics Megrez 90 refractor
Universal Astronomics Deluxe Mounts
Quote:the barlow-diffused laser beam is a more efficiently, evenly spread light beam than the LED for purposes of projecting a more sharply defined, more contrasty, and more easily seen shadow
Quote:As far as why it is not more popular... I can only guess. One reason is that it can only be used for the primary mirror. A second reason is that if one were to build a commercial unit similar in quality to say Howie Glatters products, it would cost about as much. Lasers are cheap, cheap and there's a lot of parts in the "focused Krupa Collimator."
Quote:"Lasers are cheap" - LEDs are 10's of times cheaper.