1. Final Announcement: We're Saying Goodbye to AstronomyConnect. Read Our Closing Notice.
Dismiss Notice
New Cookie Policy
On May 24, 2018, we published revised versions of our Terms and Rules and Cookie Policy. Your use of AstronomyConnect.com’s services is subject to these revised terms.

More Views

Celestron 1.25" Micro Guide Eyepiece 12.5mm

4.0 (1 Reviews) Read Reviews Write Review
Brand Celestron
Part Number 94171

Product Info

Manufacturer Description

This multi-function guiding eyepiece features a laser-etched reticle with a built-in battery illuminator. The eyepiece is a multicoated 12.5mm Abbe (4-element) Orthoscopic.

Usage possibilities include: direct guiding on stars outside the center of the field of view; greatly improved off-axis guiding to capture much fainter, sharply focused guide stars without reducing limiting magnitude; and measuring position angles and separation of double stars.

The Micro Guide Eyepiece is totally free of internal reflections and offers sufficient eye relief for the reticle to be viewed easily, even with eyeglasses. Its finely etched micrometer scale has gradations 50 microns apart and 15 microns wide. Included are: the eyepiece, built-in cordless illuminator with adjustable brightness control, batteries and instructions. The apparent field of view is 42°.


4.0 (Based on 1 Reviews) 100% of reviewers recommended this product.
Rating Distribution
Sort by
  • Date
  • Rating
  • Useful
    1. Guest

      Skill Level
      Time with Product
      User Notes:
      Review by litebkt of Mariposa, CA.
      Jan 6, 2011

      4.0 It's pretty much the only choice.


      Strong Construction,Compact



      This is pretty much the only choice for reticle eyepieces and for finder scopes. And it is only available here. I did purchase another brand a while back that had a flashing feature but it was big, bulky, and broke after first use.

      It would be nice for these things to turn off automatically after a few hours of non use. I just can't seem to remember to turn them off and I'm always replacing batteries.

      Bottom Line: Would you recommend this item? Yes
      Was this review helpful? Yes / No

      This review was provided courtesy of AgenaAstro.com

    Sort by
    • Date
    • Rating
    • Useful


      Apparent Field of View 42°
      Barrel Size 1.25" (31.7mm)
      Bolt Case Included Discontinued Item
      Bolt Case Size -
      Coatings Multi-Coated
      Focal Length 12.50mm
      Lens Elements 4
      Rubber Eye Guard Yes
      Manufacturer Celestron
      Eyepiece Focal Length 10.1mm - 15mm
      Eyepiece Field of View Up to 50 degrees
      Filter Threads Standard 1.25" Filter Thread (M28.5 x 0.6)
      Barrel Type Smooth sided