Celestron C90 Mak Spotting Scope

Celestron C90 Mak Spotting Scope

Celestron C90 Mak Spotting Scope

B&H # CEC90M MFR # 52268
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Value: $7.89

Product Highlights

  • Angled Viewing
  • Multi-Coated Optics
  • 45° Erect-Image Diagonal
  • Erect-Image 8x21 Finderscope
  • 32mm Eyepiece - 39x Magnification
  • Standard Tripod Mount
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Celestron C90 overview

  • 1Description

The compact and highly portable C90 Mak Spotting Scope from Celestron is a powerful spotting scope with a Maksutov-Cassegrain optical path, a 32mm eyepiece, and an erect-image 45° diagonal that also corrects the view laterally. Because the finderscope and the diagonal both provide corrected images, the C90 is an excellent choice for terrestrial as well as astronomy viewing.

The 32mm Plossl eyepiece provides the user with a remarkable 39x magnification. Higher levels of magnification and wider fields of view can be experienced by substituting the included eyepiece with an appropriate 1.25" astronomy ocular.

The C90 comes with an erect image 8x21 finderscope that provides a wider field of view to aid the viewer in locating subjects and targets easily. The finderscope mounts conveniently to the side of the C90's optical tube assembly and removes easily for storage and transport.

The entire system is tripod adaptable—the C90 is equipped with a standard threaded tripod mount that's stable and secure. The rear of the C90 features built-in T-mount threads for mounting an SLR camera, using a user-supplied camera-specific T-ring, for astrophotography or digiscoping applications.

Performance Details
  • Multi-coated optics
  • Focal Length: 1250mm, f/13.89
  • 32mm 1.25" Plossl eyepiece: 39x magnification
  • Integral standard 1/4"-20 threaded tripod mount
  • Built-in T-adapter threading for use with SLR cameras
  • 8x21 erect-image finderscope for rapid subject location
  • Compact and portable Maksutov-Cassegrain optical design
  • 45° erect-image diagonal for terrestrial and astronomical applications
UPC: 050234522687
In the Box
Celestron C90 Mak Spotting Scope
  • Nylon Backpack
  • Objective Cap
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Celestron C90 specs

    Viewing Angle Angled
    Magnification 39x
    Objective Lens Diameter 90 mm
    Field of View 68.0' @ 1000 yd / 20.7 m @ 1000 m
    Minimum Focus Distance 15.0' / 4.6 m
    Exit Pupil Diameter 39x: 2.3 mm
    Eye Relief 20.0 mm
    Dimensions L: 16.0" / L: 41.0 cm (with Eyepiece)
    Weight 5.0 lb / 2.3 kg
    Packaging Info
    Package Weight 7.35 lb
    Box Dimensions (LxWxH) 16.0 x 10.0 x 6.8"

    Celestron C90 reviews

    C90 Mak Spotting Scope is rated 4.6 out of 5 by 48.
    Rated 5 out of 5 by from Very good scope! I bought this scope for my 9yo Daughter, birthday. I'm very surprised by good quality (even it says made in china). Most times, when I buy China stuff - I need to spend additional money to fix it. Not here. The view thru 32mm eyepiece is very clear and sharp. DO NOT BUY eyepiece shorted than 10mm, makes no sense. Buy 12mm good quality eyepiece , it will give you about 105x magnification - pefect for Moon and stars (for beginners). Good, heavy tripod with many metal parts is needed for this telescope. If you use this scope for range - checking .22 holes from 70 yards - no problemo, on any color target.
    Date published: 2012-02-27
    Rated 4 out of 5 by from Versatile Terrestrial/Astro Viewing I use for both terrestrial and astonomical viewing, and telephoto lens. Needs to be mounted to a motor drive (telescope) for astro viewing. Lightweight, easy to pack. Doesn't need a T adapter for SLR, just need the adapter ring for your camera. Backpack does not have a padded area to store eyepiece, diagonal, or finderscope. Dust caps not included for eyepiece or finderscope. Diagonal does not seal to optical tube (gaps around diagonal tube) may let dust in. No tripod included. BHPhoto has the very best price. Pretty decent scope for the price.
    Date published: 2011-08-02
    Rated 4 out of 5 by from bargain spotting scope. I already own an older model orange C90 scope. This is a classic MAK scope, and has a reputation for being a great little grab and go telescope. I learned recently that Celestron is discontinuing the new C90, as advertised here. It has some technical improvements over the old model, for example, a standard 1.25 eyepiece (the old one uses 0.96), and a more convenient focusing mechanism. I therefore decided to buy new new C90 while I had the chance! I plan to use the C90 for casual astronomy. It is less useful as a daytime telephoto lens, because it is too dim, and focusing is slow. (Check out the Celestron site to see some of the amazing astrophotography people have done with the C90!)
    Date published: 2011-07-26
    Rated 5 out of 5 by from Pequeno not�vel Ap�s realizar algumas leituras na internet, resolvi adquirir este Celestron C90 MAK Spotting Scope. O telescopio � bem constru�do e resistente. Utilizo o equipamento com uma diagonal diel�trica da Optics Willians e fiquei impressionado com a observa��o da Lua, utilizando uma ocular Meade Series 5000 HD-60 25mm (1.25"). A imagem � n�tida, perfeita. A nebulosa de Orion, apesar da polui��o luminosa da regi�o onde resido, � simplesmente maravilhosa. Sou iniciante em astrofotografia e realizei alguns ensaios utilizando uma montagem n�o motorizada e uma c�mera Sony alfa 3000 e, apesar da inexperi�ncia, fiquei muito satisfeito. Recomendo o telescopio.
    Date published: 2018-01-27
    Rated 5 out of 5 by from Good for the price I was after a terrestrial telescope with good magnification and good optics for daytime observations .I've attached a photo , the cow in the photo is 2 miles or 3.1 kilometres away . Pretty happy with the results .
    Date published: 2013-11-22
    Rated 4 out of 5 by from Good quality spotting and lunar scope at a resonable price I was looking for a scope for bird watching and occasional peeks at the moon. It works well for both. Light and compact enough to carry with very good optics. No false color to my eyes which are pretty sensitive to color aberration when terrestrial viewing. Just a tad of color when lunar observing. Again, my eyes are very sensitive to color. You may not experience this issue at all. The only negative is the narrower field of view than a refractor which to me has not been a problem. The little finder scope provided works well. It costs about 1/10th of a comparable high quality refractor and has the nice added feature of inter-changeable eye pieces which most spotting scopes of the refractor type do not offer if you want a closer view of the target. Nice quality look and feel as well.
    Date published: 2015-12-14
    Rated 5 out of 5 by from Spotting Scope @ 100 yards Celestron C90 Spotting Scope and Celestron Heavy-Duty Manual Alt-Azimuth Mount Tripod I was in the market for a spotting scope which are usually a couple of thousand dollars and don't offer much clarity beyond 100 meters. Being Astronomy minded I put this scope and tripod together for just under $230. I already had the telescope eyepieces and stuff needed to attach my camera so I wanted to make use of it. The goal here was to be able to see 1/4 hits on target at 100 meters, this setup easily did the job.
    Date published: 2015-07-09
    Rated 4 out of 5 by from Excellent value, compact and portable I plan to use the C90 MAK scope primarily as a spotting scope for long range rifle shooting. I'm hoping it will allow me to score targets at 300 yards but I don't really expect it to perform much beyond that distance.The lens that came with the scope is crystal clear, the little sighting scope is very useful for getting pointed in the right direction. The ability to change lens is fantastic and I also bought a 8-24 zoom lens for use at the rifle range. The included 32mm lens gets in the ballpark of 40x magnification, more than enough for casual observation of birds or something like the moon. The 8-24 zoom lens gets me about 50x-150x magnification. From about 100 yards away I can clearly read the brand and number on a golf ball sitting in the grass.The downside of the zoom is it's hard to focus at maximum zoom and the viewable image is a little dim. There are probably more expensive zoom lenses that would perform better but for only $ it's great.
    Date published: 2012-03-08
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