This would typically mean less light transmission than if the optics were fully multi-coated, but it seems to me that this spotting scope already does a fantastic job of gathering light. The 90mm objective lens on the Celestron C90 Maksutov Spotting Scope, along with all of the rest of the optics, are multi-coated but not fully multi-coated. How’s the Light Gathering Capability on the Spotting Scope? The placement of the focus knob on the back of the spotting scope takes a bit of getting used to, though. This focusing knob turns easily and smoothly, but has just enough friction to keep it from moving out of adjustment if you bump it. A single focusing knob controls the position of the primary mirror, which slides back and forth on the primary baffle tube. The Celestron C90 Maksutov Spotting Scope contains a very complex system of mirrors and baffles, but it is amazingly simple to use. Is the Celestron C90 Maksutov Spotting Scope Easy to Use? Testing the spotting scope out at night with that eyepiece allowed me to easily view Saturn’s rings, even though it was a slightly hazy night. In theory, this spotting scope could go as high as 210X with an appropriate eyepiece, but the most I’ve gone to was 187X with a 6.7mm eyepiece. At this magnification, images are very crisp and clear with plenty of contrast and detail. The included eyepiece is a 32mm Plossl eyepiece, which provides you with 39X magnification. How Much Magnification Does the Celestron C90 Maksutov Spotting Scope Provide?Ĭelestron has designed the C90 Maksutov spotting scope to allow for the use of different eyepieces with varying powers. If you are going to travel much with this spotting scope, my recommendation would be to invest in a bag or case that offers more cushioning to protect the spotting scope.
The backpack is good quality, but does not offer much in the way of padding to protect your investment.
You need to know what you’re getting when you purchase a spotting scope, obviously. It is advertised as being a good choice for both terrestrial and astronomical usage, but how well does it truly perform? Let’s find out.
Celestron is well known for their telescopes, and the C90 Maksutov is designed to be an excellent transition product between telescopes and spotting scopes. Welcome to our review of the Celestron C90 Mak Spotting Scope. Complicated design (but that’s the nature of high-quality glass!) Maksutov-Cassegrain design for premium optics
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