Meade 4000 MA 12mm Achro Illuminated Astrometric Reticle Eyepiece (1.25")

Meade 4000 MA 12mm Achro Illuminated Astrometric Reticle Eyepiece (1.25")

Meade 4000 MA 12mm Achro Illuminated Astrometric Reticle Eyepiece (1.25")

B&H # MEEIAMA12 MFR # 07069
Meade 4000 MA 12mm Achro Illuminated Astrometric Reticle Eyepiece (1.25")

Meade 4000 MA 12mm Achro Illuminated Astrometric Reticle Eyepiece (1.25")

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Product Highlights

  • Red LED Illuminated Astrometric Reticle
  • Adjustable-Brightness Rheostat
  • 3-Element Achromatic Lens Design
  • 12mm Focal Length
  • 1.25" Diameter Barrel
  • Dioptric Correction Dial
  • Fold-Down Eyecup
  • Ideal for Use with an Off-Axis Guider
  • Runs on Two LR44 Batteries
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  • 1Description

The Meade Instruments 4000 MA 12mm Achro Illuminated Astrometric Reticle Eyepiece is ideal for use with an off-axis guider to more accurately detect and correct tracking errors during long-exposure astrophotography sessions and take precise measurements of astronomical objects.

Its illuminated reticle is outfitted with four types of scales that allows the user to make an array of astronomical measurements such as double-star angular separations, position angles, planetary diameters, and lunar crater diameters. The reticle also has a double-crosshair/concentric-circle scale for long-exposure photo-guiding that presents a clearly-defined center aiming point that allows users to center a guide star and closely monitor its location for drift. The reticle is illuminated by an integrated red LED that is easy to see while preserving night-adjusted vision, with a rheostat to set the appropriate brightness for the ambient light or the user's preference. Unlike wired models that suffered from cord-wrap and snagging, this eyepiece is a standalone unit that runs on two included LR44 batteries to power the LED. This model is built with a 3-element modified achromatic lens that eliminates comas and halos, and anti-reflection multi-coated optics to improve views, with a 12mm focal length that produces moderate magnifications on most OTAs. A dioptric correction dial gives the user a high level of precision when focusing, with a comfortable 16mm eye relief and a fold-down rubber eyecup for easy use with or without eyewear.

UPC: 709942002546
In the Box
Meade 4000 MA 12mm Achro Illuminated Astrometric Reticle Eyepiece (1.25")
  • Barrel Cap
  • 2 x LR44 Batteries
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Focal Length 12mm
    Barrel Diameter 1.25"
    Eye Relief 16.0 mm
    Field Stop Diameter 9.9 mm
    Apparent Field of View Not specified by manufacturer
    Battery 2 x LR44
    Dimensions Length: 2.1" / 5.4 cm
    Width (Eyepiece): 1.25" / 3.2 cm
    Width (Including Rheostat): 3.5" / 8.9 cm
    Weight 4.0 oz / 113.4 g, without batteries
    Packaging Info
    Package Weight 0.34 lb
    Box Dimensions (LxWxH) 3.6 x 2.9 x 2.1"
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