APM 100mm 45° ED-APO Binoculars with Interchangeable Eyepieces

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This binocular is made for very high power use up to above 100 power.

Manufactured by:
Lunt Engineering

Product Description

 The APM 100mm ED-APO astro Binoculars are precision made for high magnification performance of up to and beyond 100 power. The ED 100mm is a 2 Element, Air-Spaced, true APO (apochromat) with no color errors or difraction across the visual spectrum, very high quality spherical correction, and resultant sharp, crisp images.  The ability to split double stars into distinct, coma-free orbs and show sharp contrast and detail on planets like a Refractor based 4" doublet ED Apo, make the 100's a truly versatile and amazing optical instrument.

Binocular viewing with this kind of resolving power must be experienced to fully appreciate compared to conventional single-eyepiece images.     Eyestrain during a long evening of viewing is almost a given among serious astronomers, but consider the advantages of two-eye viewing thru a pair of individually adjustable quality eyepieces rather than a single usually found in even the finest telescopes. The availability of quality 1.25" eyepieces is almost limitless and most will fit the Lunt 100mm Bino.

Light gathering ability is another advantage to high power binoculars. Consider that with the 100's light gathering is through TWO 100mm aperture tubes rather than through a single 100mm (4") aperture as in a 4" telescope  But light gathering  ability without  quality optics is a major limiting factor in any viewing instrument and this is where Lunt Engineering Optics completes the package thanks to an outstanding high quality, cutting edge technology in broadband multicoating.  ED (FK-61) Glass primary, a Lanthanum coated element, and a BAK4 prisms complete this Magnesium bodied beauty.


 Technical Details:

  • Weight without Eyepieces, including Tripod Adapter 14.52 lb
  • Focal Length 550 mm
  • Clear aperture without on-axis vignetting 100 mm
  • Interpupillary distance from 54 mm to 75 mm
  • Lightweight Magnesium Body
  • Length 520 mm
  • Width 270 mm
  • Height 145 mm
  • Dew Shield OD 124 mm
  • Dew Shield ID 120 mm
  • 2 Element Air spaced ED Apochromat (ED=FK61 Glass)
  • Focal length 550 mm
  • Max FOV 2.8 degree
  • All optical surfaces are fully broadband multicoated
  • Clear aperture 23 mm at the eyepiece Side
  • Foto Tripod Adapter with 3/8 Inch Thread (Adapter to 1/4 Inc
  • Transporting Handle with Target Visor
  • 4 Dust Covers
  • Extendable Dew Shields
  • 1.25" Helical Focuser with Brass compression Ring













Name APM 100mm 45° ED-APO Binoculars with Interchangeable Eyepieces
Manufacturer Lunt Engineering
Model APM-ED100-BINO45
Dew shield OD: 124mm; ID: 120mm
Focal Length 550 mm
Height 145 mm
Interpupillary distance 54 mm to 75 mm
Optical Design 2 Element Air spaced ED Apochromat (ED=FK61 Glass)
Width 270 mm


Review and collect 40 points.
Review by:
Best astro binoculars I've ever used and great for terrestrial observation! (Posted on 10/17/2015)
Review by:
We are thrilled to have this telescope. It was immensely helpful & appreciated to have Victor out to help us get started! It's pretty easy to use & move around. We've been able to enjoy it so much more than any other telescope we've ever owned. (Posted on 9/7/2015)
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