Celestron 0.7xReducer Lens for EdgeHD 1400 OTA

Celestron 0.7xReducer Lens for EdgeHD 1400 OTA

Celestron 0.7xReducer Lens for EdgeHD 1400 OTA

B&H # CER7XE1400 MFR # 94240
In Stock
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Product Highlights

  • Designed to Maintain Flat Field Images
  • Five-Element Lanthanum ED Glass Lens
  • Anti-Reflection Fully Multicoated Optics
  • 0.7x Compression Factor
  • Reduces Exposure Time
  • Increases Field of View
  • Optimal Back Focus: 5.75"
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  • 1Description

The Celestron 0.7x Reducer Lens features a custom 5-element optical design and is engineered to maintain the flat-field performance of the EdgeHD 1400 aplanatic Schmidt optical tube assembly (OTA). This reducer lens provides a substantial 5.75" back focus to accommodate an assortment of imaging accessories. It offers high index optical elements, including extra low dispersion, Lanthanum elements, which provide high contrast viewing while minimizing chromatic aberration. All air-to-glass surfaces are treated with multiple layers of anti-reflection coatings for maximum light transmission and color correction, and the interior of the housing has blackened edges to minimize internal reflection and further enhance image contrast.

The reducer lens features large-diameter lens elements and up to 60mm clear aperture, which ensure that the image circle remains at a generous 42mm for use with large CCD sensors. The mechanical design incorporates a computer-assisted CNC machined aluminum housing for precise spacing and alignment of optical elements and threaded metal covers on the lens assembly to protect your lens from dust and scratches.

  • 5-element optical layout designed specifically for the EdgeHD 14" Optical Tube Assembly to maintain its flat-field performance
  • The EdgeHD 0.7x lens provides generous back focus to accommodate additional accessories and a wide variety of cameras. Also allows use of existing EdgeHD T-adapters and other Celestron imaging accessories (sold separately)
  • Makes your EdgeHD 1400 Optical Tube Assembly one full F-Stop faster than f/11, reducing your exposure time by one-half to capture the same brightness of the object
  • Increase the field of view by 43%, which is better for capturing wide field images of larger galaxies and nebulae
  • The EdgeHD Reducer Lens uses rare earth Lanthanum glass elements for clear, high contrast viewing while minimizing chromatic aberration
  • All air-to-glass surfaces have multiple layers of coating for maximum light transmission and color correction
  • All lens elements have blackened edges to minimize internal reflection and maximize contrast
Full Frame Design
  • Threads directly onto the 3.25" threads of the EdgeHD Optical Tube, which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
  • 60mm clear aperture lens optimized for a 42mm image circle for use with large CCD sensors
Mechanical Design
  • Computer-assisted CNC machined aluminum housing for precise spacing and alignment of optical elements
  • Threaded metal covers for both ends of the lens assembly to protect your lens from unwanted dust and scratches
UPC: 050234942409
In the Box
Celestron 0.7xReducer Lens for EdgeHD 1400 OTA
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Design 5-element
    Compression Factor 0.7x
    Back Focus Optimal: 5.7" / 14.6 cm
    Weight 3.25 lb / 1.5 kg
    Packaging Info
    Package Weight 3.9 lb
    Box Dimensions (LxWxH) 5.9 x 5.9 x 4.9"
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