Review of the Bushnell NorthStar 78-8890 90mm Cata.Since I have a Canon DSLR all I needed to use the scope as a telephoto was a Canon T-adapter (like this one from ). UPDATE: One nice thing about this scope is that the tube at the back of the scope that holds the eyepiece only needs a T-adapter that is made for one's DSLR camera. Here is where you can download the manual for this Bushnell NorthStar 78-8890 90mm Catadioptric Telescope If you didn't know where the object really was, you would be lost.Īnyway, the optics are more than acceptable and I look forward to using it as a guiding scope or a quickie scope (I will have to do the pointing) for an "out and in" session. The remote, hand-held control module features red, backlit push buttons and a red, illuminated LCD read-out for easy viewing without impairing your night vision. it missed it by enough that even the low power 25mm eyepiece wasn't even close. Even when I selected and followed the directions (what there were of them would be confusing for an absolute newbie) when I asked it to go to a known planet or star. Now I can take it to a more precise collimation with higher powered eyepieces.Īs for the "goto" part of the mount. But when I inserted the right angle mirror it appeared to be out of alignment by a big amount! What happened? Upon more inspection I found that the rights angle unit fits too loosely in the rear cell and when secured by the two set screws they pushed the unit out of alignment.īy adding a few small strips of ordinary tape to one side of the unit and spinning the screw housing around 189 degrees it brought it back into collimation! I inserted a home made plastic cap with a tiny hole in the center.īy making tiny adjustments I was able to bring it closer to collimation. Celestron - NexStar 8SE Telescope - Computerized Telescope for Beginners and Advanced Users - Fully-Automated GoTo Mount - SkyAlign Technology - 40,000+ Celestial Objects - 8-Inch Primary Mirror 4. 25 Focuser, 4mm and 20mm Eyepieces Single-Arm Motorized Alt-Az Mount NexStar Hand. A wide range of computerised telescopes with popular brands, such as Celestron, Skywatcher, Saxon and Meade are available in OZScopes If you need any further. Since the from secondary mirror can't be adjusted I checked out the back cell and found there were three Allen wrench screws that adjusted the back mirror. Orion StarMax 90mm TableTop Maksutov-Cassegrain Telescope, Only. I also have in mind to piggyback this on my Celestron C8 scope as it is reasonably light.Īs is, it produced a good image but upon further inspection it was out of collimation Skywatching Is a motorized telescope worth the cost By Damian Peach published 18 March 2022 Are motorized telescopes worth the extra cost when we're going through a cost of living crisis. In addition it can accept my 0.5x Focal Reducer 1.25" which both reduces the power and lets in 50% more light. The upside is that the scope can be removed from the mount and mounted on a tripod via the typical tripod socket and used as a super long telephoto with the addition of a t-adapter. The downside was that, though it is a motored scope, it cannot be used in the equatorial mode. Bushnell Northstar 300 x 90mm Motorized Telescope w/ Real Voice Output 1250 by 90-millimeter Motorized Maksutov-Cassegrain telescope with computerized GoTo technology and remote control module Magnifications of 50 and 312. Type: Motorized "Go To" Maksutov-CassegrainĮyepieces (focal length in mm): 4mm, 25mmīushnell Northstar Goto 90mm Maksutov-Cassegrain Compact Telescope For more information about, Bushnell NorthStar 1250x90mm Maksutov Cassegrain Telescope RVO website.I bought this with the idea of a cheap "goto" scope that is small and very portable. Bushnell Northstar 300 x 90mm Motorized Telescope w/ Real Voice Output Reviews. Objective Lens x Focal Length (mm): 90mm x 1250mm Specifications: Bushnell Northstar Goto 90mm It instead has great optics, a relatively wide field of view, and a good ratioĪfter a simple alignment procedure, the user merely tells the scope where to goĮverything needed to begin enjoyable viewing immediately is included in the (Image credit: Skywatcher) Buying a telescope can be a bewildering decision at the best of times and opting for a motorized. It is not unwieldy like a refractor, nor do they require the cleaning regimen of The Schmidt-Cassegrain design has become the most popular in amateur astronomyīecause they are the masters of compromise Manufacturerd with the incredibly popular "GoTo" Goto 90mm Maksutov-Cassegrain Compact Telescope
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