Celestron C5, 5" (127mm) Schmidt-Cassegrain XLT Spotting Scope

Celestron C5 5 Celestron C5 5

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About Celestron C5 5"" (127)

Celestron's C5 Spotting Scope is a 5" (127mm) aperture, 1250mm f/10 Schmidt-Cassegrain optical system. Its optical excellence is the reason it was chosen by NASA for many space shuttle missions.

The C5 spotting scope is an ideal choice for the serious bird watcher, nature lover or anyone who enjoys beautiful views -either from your home or in the field. At just six pounds in weight and 11 inches in length, this spotting scopeis a completely portable visual and photographic instrument that performs well in any viewing location. Further, Celestron offers a wide variety of optional accessories to expand the capabilities of this special instrument.

The C5's aperture of 5" allows it to easily outperform smaller aperture spotting scopes. Offering 4½ times more light gathering ability than a 60mm spotting scope and 2½ times more than an 80mm scope, Celestron's C5 is the clear choice when a powerful instrument delivering brilliant, crisp views is what you require.

The C5 spotting scope is a wonderfully versatile instrument, and its near focus of approximately 20 feet allows you to observe plantlife, wildlife, birds or insects with ease. At the same time, the C5 can also be used as an astronomical telescope. In addition, theC5 goes easily from working as a powerful spotting scope to being a high performance 1250mm f/10 telephoto lens.

Photography couldn't be easier, because the C5 is designed to be fully camera adaptable. To take professional quality shots with theC5, just attach the correct optional T- Adapter and T-Ring for your 35mm SLR camera to the back of the C5 spotting scope, and you'reready to shoot. The tripod adapter block on the C5's tube makes easy work of mounting the instrument onto a tripod for either viewing or photography. The C5 comes complete inside its own soft sided carrying case

Summary of Customer Reviews

Customers most agreed on the following attributes:
Bright eyepiece (3),Strong magnification (3)
Best Uses:
Astronomy (3)
Reviewer Profile:
Casual/ recreational (3)

Celestron C5 5"" (127) Features

  • 5" Schmidt-Cassegrain Optical Design
  • StarBright XLT Coatings
  • 25 mm (50x) Eyepiece
  • 45° Erect Image Diagonal
  • 6x30 Erect Image Finderscope
  • Water-Resistant Soft-Sided Case
  • Limited Lifetime Warranty

Celestron C5 5"" (127) Specifications

Apparent Field of View
1 °
Eye Relief (mm)
22 mm (0.87 in)
Close Focus (Binoculars)
20 ft (6.1 m)
Optical Coatings
Weight (oz)
96 oz (2722 g)
Camera Adaptable

Celestron C5 5"" (127) Reviews

Reviewed by 4 customers

(3 of 3 customers found this review helpful)


Great for Day & Night


from China Grove N C  -  Casual/ Recreational

Will take pictures of wildlife, Have already shot the moon. This is a 24 HR tool to your inner child. Ease of use for everybody, beginner on. Love it.

(3 of 3 customers found this review helpful)


Great scope for photography & astronomy


from Phoenix, AZ  -  Avid Adventurer

I have had two of these scopes as well as their big brother a C8 and was well satisfied by all of them. For photgraphic use a lens shade is a must. I used a Minolta X700, and a Canon 50D

(4 of 11 customers found this review helpful)


Quality problems


from Phoenix  -  Casual/ Recreational

I had two of these telescopes delivered just before Christmas. The first one had image sharpness problems. Sent it back and received another. The second one had a scratch on the 45 degree lens. Sent it back and suggest Celestron to review their quality.

(5 of 5 customers found this review helpful)


One Nice Scope!!


from Abingdon, VA  -  Casual/ Recreational

I am extremely satisfied with the C5 spotting scope. I found the setup and adjustments straightforward. I ordered a 15 mm eyepiece with the scope and am very pleased with the additional magnification that it provides. Also, I have experimented with 35 mm photography using my Canon AE-1 with excellent results - better that I expected as I am not a professional. I strongly recommend the C5 to anyone interested in an excellent daylight scope for viewing and for photography, and for causual astronomical use.


Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Did you have an issue with spherical aberration/turned edge (objective mirror) on your C5? thank you, Dean
THOMAS H  Nothing noticeable here. I find mine to be sharp edge to edge. Remember, this is an fl/10, so only a really widefield ep is going to show some coma.
Shopper  can you see a bullet hole (1/4 inch) at a 1000 yds.?
PAUL L  Not sure about 1/4 inch bullet hole. Possibly, if you know where to look. I can see the eyes of people climbing on the Sydney Harbour Bridge, 2 Kms away. Would not be able to distiguish eye colour though. Paul from Sydney.
louie i  is this the black model ?
JAMES J  No, mine is all black.
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