Celestron Regal M2 100ED Spotting Scope with 22-67x Eyepiece (Angled Viewing)

BH #CERM2100EDSS • MFR #52306
Celestron Regal M2 100ED Spotting Scope with 22-67x Eyepiece (Angled Viewing)
Key Features
  • Angled Viewing
  • 22-67x Eyepiece Magnification
  • Extra-Low Dispersion Glass Objective
  • Fully Multi-Coated Optics
The angled-viewing Regal M2 100ED Spotting Scope from Celestron combines a high-transmission optical path with a nitrogen-filled magnesium-alloy housing to deliver reliable imaging performance at low light and in unforgiving weather conditions. At the core of the Regal M2 are fully multi-coated optics, including BAK4 prisms and an extra-low dispersion (ED) glass objective that minimizes chromatic aberration and maximizes light gathering. Multiple layers of Celestron's proprietary XLT coating on each lens preserve brightness and transmit contrast-rich images to the eyepiece.
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Celestron Regal M2 100ED Overview

  • 1Description
  • 2Optical Performance
  • 3Use and Handling
  • 4Construction Details

The angled-viewing Regal M2 100ED Spotting Scope from Celestron combines a high-transmission optical path with a nitrogen-filled magnesium-alloy housing to deliver reliable imaging performance at low light and in unforgiving weather conditions. At the core of the Regal M2 are fully multi-coated optics, including BAK4 prisms and an extra-low dispersion (ED) glass objective that minimizes chromatic aberration and maximizes light gathering. Multiple layers of Celestron's proprietary XLT coating on each lens preserve brightness and transmit contrast-rich images to the eyepiece.

This version of the Regal M2 spotting scope includes a 22-67x eyepiece that is ideal for intermediate- to long-range glassing. The broad magnification range, comfortable 20mm eye relief, and twist-up rubber eyecup make this zoom eyepiece well suited for long-duration observations. The scope's standard 1.25" eyepiece mount will accept most astronomy eyepieces, which enables a near-infinite number of optical configurations.

Complementing the image quality and weather-sealed construction of the Regal M2, several features enhance the scope's functionality and observer's user experience. An included T-adapter ring permits DSLR camera mounting to the objective assembly, transforming the 100ED into a high-transmission digiscoping platform. The rotating tripod collar has a 1/4"-20 mounting socket and is detented at multiple positions to provide the observer with alternate viewing orientations. A sliding sunshade, sighting aid, and dual-focus mechanism equip the Regal M2 with the functionality needed for a wide range of outdoor glassing applications.

Optical Performance
  • 22-67x eyepiece magnification
  • 100mm objective, 540mm focal length
  • Fully multi-coated optics, XLT anti-reflective coating
  • Extra-low dispersion (ED) glass objective lens, BAK4 prisms
  • 100-47 ft field of view at 1000 yd
  • 20mm eye relief, 4.5-1.5mm exit pupil
  • 26.2 ft close-focusing distance
Use and Handling
  • Dual-focus mechanism with coarse/fine adjustments
  • Rotating and locking tripod collar with 1/4"-20 socket
  • Compatible with 1.25" astronomy eyepieces
  • Angled-viewing eyepiece, twist-up rubber eyecup
  • Included T-adapter ring for digiscoping with DSLR
  • Sliding sunshade for shielding stray light
  • Sighting aid for faster subject acquisition
  • Stay-on protective carrying case with zippered access
Construction Details
  • Nitrogen filled for fog and waterproof performance
  • Magnesium-alloy housing
  • 73.5 oz weight
UPC: 050234523066

Celestron Regal M2 100ED Specs

Key Specs
Viewing Angle
Angled
Magnification
22 to 67x
Objective Lens Diameter
100 mm
Field of View
22x: 100.0' @ 1000 yd / 30.5 m @ 1000 m
67x: 47.0' @ 1000 yd / 14.3 m @ 1000 m
Minimum Focus Distance
26.2' / 8.0 m
Exit Pupil Diameter
22x: 4.5 mm
67x: 1.5 mm
Eye Relief
20.0 mm
Design
Viewing Angle
Angled
Performance
Magnification
22 to 67x
Objective Lens Diameter
100 mm
Angle of View
22x: 1.9° (Actual)
67x: 0.9° (Actual)
Field of View
22x: 100.0' @ 1000 yd / 30.5 m @ 1000 m
67x: 47.0' @ 1000 yd / 14.3 m @ 1000 m
Minimum Focus Distance
26.2' / 8.0 m
Exit Pupil Diameter
22x: 4.5 mm
67x: 1.5 mm
Eye Relief
20.0 mm
Features
Fogproof
Yes, Nitrogen Filled
Environmental Protection
Water-Resistant (Unrated) 
General
Tripod Mounting Thread
1/4"-20 Female
Dimensions
ø: 4.7 x L: 19.2" / ø: 12.0 x L: 49.0 cm
Weight
73.5 oz / 2.1 kg
Packaging Info
Package Weight
9.05 lb
Box Dimensions (LxWxH)
25.6 x 9 x 6.3"

Celestron Regal M2 100ED Reviews

See any errors on this page? Let us know

question

Can you add a 2x Barlow lens on this scope?
Asked by: Anonymous
Yes you could as long as it's 1.25 . However you might get some distortion and darkness. I wouldn't recommend using one. Honestly.
Answered by: Alex S.
Date published: 2023-11-19

Is this a better option than the 80 for birding?

Is this a better option than the 80 for birding?
Asked by: Jesse
Yes, the larger the diameter, the more light gathering for low light situations.
Answered by: David
Date published: 2021-03-25

Is the front threaded for a filter? What mm size ...

Is the front threaded for a filter? What mm size if it is ? Thanks
Asked by: Anonymous
No, the front objective housing is not threaded for a filter.
Answered by: Telescope
Date published: 2023-11-19

Looking for recommendations for a fluid head ...

Looking for recommendations for a fluid head tripod that would be a good match for the M2 100mm spotting scope? Will use scope for both terrestrial and extra-terrestrial viewing.
Asked by: Michael
Will you be hiking with the scope and tripod?
Answered by: John
Date published: 2020-11-03

question

Do you sell a solar filter that fits this spotting scope (for viewing the solar eclipse)?
Asked by: Jay K.
Unfortunately we do not.
Answered by: John P.
Date published: 2018-08-28

question

Are there replacement lens caps? I can't find any online... Thank you.
Asked by: Dominick D.
Please contact our technical support team and a representative will be able to assist you in acquiring a new replacement lens cap. The best way to reach them is by submitting a ticket here: https://www.celestron.com/pages/technical-support
Answered by: Telescope
Date published: 2019-03-15

In addition to the T-adapter ring that is ...

In addition to the T-adapter ring that is included with this scope, what is needed to attach a DSLR (specifically a Nikon F-mount)?
Asked by: Kenneth
All you will need is a T-Ring. The Vello T-Mount Lens to Nikon F-Mount Camera Lens Adapter will work just fine. Link: https://bhpho.to/3ihfPAj
Answered by: Alex S
Date published: 2021-01-15

Will this scope mount to an Arca Swiss type ...

Will this scope mount to an Arca Swiss type clamp?
Asked by: Frederick
Yes, as long as the plate can thread onto the standard 1/4"-20 threads.
Answered by: Telescope
Date published: 2020-12-27
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