US
Celestron

Celestron C5 Schmidt-Cassegrain Spotting Scope

  • Objective Lens: 127 mm
  • Magnification: 48x
  • Focus Type: Individual Focus
  • Material: Aluminum

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A large-objective, fixed-power scope built for stationary glassing or light astronomy, with the size and weight of a tripod-bound instrument rather than a field-carry one.

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ASIN: B00006LSVCModel: 52291Category: Spotting Scopes

Overview

The Celestron 52291 is a fixed 48x spotting scope built around a large 127mm objective lens, with an aluminum body and individual focus control.

A 127mm objective is unusually large for a spotting scope, more typical of an astronomy-class instrument, which lines up with the 10.7 lb weight; this is a scope meant to stay on a sturdy tripod rather than travel in a pack. Focus is individual, a single ring rather than separate coarse and fine controls, and magnification is fixed at 48x rather than zoom.

  • 127mm objective lens
  • Fixed 48x magnification
  • Individual focus
  • Aluminum housing

Who it's for

Suits stationary use such as range observation or backyard astronomy, where the extra light gathering of a 127mm lens matters and the weight isn't a hiking concern. Not for anyone wanting a compact, packable scope given the size and weight.

Pros and cons

Pros
  • Large 127mm objective for more light gathering
Cons
  • Heavy at 10.7 lb
  • Fixed 48x power with no zoom

Performance notes

A 127mm objective lens gathers substantially more light than the 60 to 80mm objectives common in compact spotting scopes, which should help in low light, at the cost of the bulk and weight that comes with a lens that size. Fixed 48x magnification means no zoom ring to adjust field of view.

Specifications

BrandCelestron
Model52291
Dimensions & fit
Weight10.7 pounds
Construction & materials
MaterialAluminum
ColorClear
Other details
Objective Lens127 mm
Magnification48x
Focus TypeIndividual Focus

Frequently asked questions

Is the Celestron 52291 a zoom or fixed-power scope?

Fixed at 48x, per the listing.

How big is the objective lens?

127 mm.

How heavy is it?

10.7 lb.