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APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow
APM 2 inch coma-correcting telecentric 1.5x Barlow

APM 2 inch coma-correcting telecentric 1.5x Barlow

Brand: APM
Item Number: APM-Komakorr-Barlow2

Regular price $399.00 $399.00 On Sale

  • Estimated Arrival: Between Sep 22 and Oct 07. * ETA for USA only

    Shipping & Returns: Free Shipping with $100 purchase. Free Returns. Simply ensure that the item is returned in its original product packaging within 30 days of purchase.

    by the well known physicist and optic designer Philipp Keller

    Some times past APM Telescopes introduced the coma-correcting 2.7 times Barlow designed by Gerd Düring, which enjoys great popularity.

    New design

    When our customers asked for a 2 inch version with a smaller magnification factor APM Teleslescopes let the well known physicist and optical designer Philipp Keller calculate a new 1.5 x Barlow. 

    All of today's knowledge was incorporated to optimize the optical design. The telecentric design prevents that the distance has to be individually adjusted for each eyepice. Just insert the eyepiece into the optional 2-inch adapter sleeve and automatically have the optimum distance.

    Large Backfocus

    As already for the Barlow by G. Düring the design was calculated to yield a large back focus, in order that it can be used as an optical glass path corrector with coma-correcting effect combined with binocular viewers.
    The large back focus allows the use of an off-axis guider + filter + CCD to take photographs with full format chips.

    Technical Details
    • magnification 1.5 x
    • coma correction
    • M54 x 0.75 male thread and M48 x 0.75 female thread (eyepiece/CCD side)
    • telecentric design with 4 lenses
    • works as optical path corrector 1.5 x for bino-viewers
    • large imaging field for full format chips
    • 100 % illuminated Image Circle : 30 mm diameter
    • outward focus shift: 96 mm
    • Distanz end M54 Thread to Focus 95 mm

    Delivery contents

    • Telecentric Barlow include 2" eyepiece adapter

    Specifications: Coating: Fully multicoated Filterthread: 2" Magnification: 1.5  Optical design: 2 achromatic lenses Backfocus: 105 mm (from centre last lense) Fully corrected field: 44 mm Fully illuminated field: 30 mm

    volume weight: 1,00 kg

    products weight: 1,00 kg

    delivery time: in stock 
    product number: APM-Komakorr-Barlow2
    EAN Code: 4251404701178

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