Takahashi TOA-130NS Triplet APO Double ED Refractor - 2.7" Focuser

Brand: Takahashi

SKU : TK-TOK13010

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Product Details

  • The Takahashi TOA-130 is the first of Takahashi's newest optical design: The Ortho-Apochromat. This 21st century innovation employs a newly designed triplet using special elements to produce the highest order of color correction. Orthoscopic means perfected visually and Apochromatic means you're free from those strange violet glows which often accompany bright stars or planets. Thanks to the ingenious design of layering an FPL-53 Extra-low Dispersion glass element between two extreme quality crown and flint elements - perfection ensues. And what's more, it's air spaced, so there's no oil between the elements to leak or become opaque with age. The lens cells are durably constructed to withstand transport - yet are fully able to be collimated should the owner wish to make adjustments. With 1/12th wave accuracy and an airy-disc Strehl ratio of 0.992, the optics on the Takahashi TOA-130NS Ortho-APO are as near to perfection as you can get!

    The Takahashi TOA-130 Ortho-APO is a dream come true for those who want to use a medium format camera. It includes a deluxe 2.7" focuser. The 2.7" focuser will produce a usable 40mm diameter image circle for virtually unvignetted 35mm prime focus photography and a large thumbscrew locks the focuser tube in place without image shift. But that's not all. The focuser itself offers a generous 222.5mm of backfocus to allow the use of additional accessories, like adding on color filter wheels, etc. What's more, the focuser itself offers "no slip" stability with dual knobs for ease of use and 2" threaded eyepiece/accessory holder with 1.25" compression ring eyepiece holder also supplied - along with Scopeguard finder quick-release. There is a System Chartavailable for planning out your accessories for use with this splendid telescope.

    The Takahashi TOA-130 Refractor is perfect for visual, CCD and classic astrophotography. The f/7.7 focal ratio with a 1000mm focal length is long enough (using the optional LE-ED 2.8mm Takahashi ocular, for instance) for high magnification observations of the Moon and planets and yet will produce a 2.5 field at 20x when used with the optional Takahashi flat field LE-50 2 " ocular. The high order of color correction of the Ortho-Apochromat Series produces images with saturated color and, thanks to the numerous knife-edged baffles, it also displays an image with amazing contrast - all packaged in a short, 32" tube with the dew preventive lens shade retracted that weighs only 22 pounds.

    Takahashi quality... Through and through!

    Takahashi Product Number: TSA0130

    Important Note:Takahashi America requires that their telescope optical tube assemblies be shipped via 2nd Day Air or faster in order for the full warranty to be in force. Please make sure you choose the appropriate shipping method in your shopping cart or, if you speak to an OPT associate, request 2nd Day Air or faster. If you are purchasing a telescope and mount package or any accessories to accompany an OTA, please contact OPT for a shipping quote, since only the OTA is required to ship second day air but all other products can be shipped separately via any other available shipping method. Thank you!

  • specifications

    Aperture130 mm (5")
    Back Distance222.5mm
    Dew Shield IncludedYes
    Exterior ColorGloss White
    Focal Length1000 mm
    Focal Ratiof/7.7
    Image Across Field1.4 degre
    Image Circle40mm
    Limiting Stellar Magnitude13.1
    Optical DesignTriplet Refractor
    OTA Length32"
    OTA Outer Diameter179mm
    OTA Weight22 lbs.
    Warranty5 Year Warranty

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