iOptron Photron 150 RC OTA

Brand: iOptron

SKU : IO-6111

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  • Photron 6-inch Ritchey Chretien Astrograph OTA
  • Dual Speed Crayford focuser
  • (3) Focus Extension Rings 
  • 1.25-inch Accessory Adapter
  • Vixen-style Mounting Plate

Product Details

  • The Photron 150 RC OTA by iOptronis a 150 mm (6-inch) Ritchey Chretien astrograph telescope OTA designed for today's astroimager for a complete imaging and visual system.

    Introducing Photron, Ritchey Chretien (RC) telescope OTA by iOptron: Photron instruments are built to facilitate today's astroimager in capturing the data necessary to create spectacular edge to edge sharp astroimages. To achieve this goal, The RC telescopes incorporate low-thermal expansion quartz primary and secondary mirrors with 99-percent reflective dielectric coatings. The RC optical design delivers coma, spherical , and chromatic aberration-free results; perfect for color and monochrome imaging. A fixed position primary mirror eliminates the image shift that occurs when focusing some telescope designs. The steel tube interior is equipped with 10 knife edge baffles to diminish contrast-reducing stray light from bouncing and improving the instrument for both visual and imaging uses.

    There are three extension rings provided for a flex-free solid extension as a means to take-up any unneeded back focus.

    Mounting Plates: The 250 mm model includes both top and bottom Losmandy-style dovetail plates adding rigidity to the tube while providing attachment points for the mount and other accessories. The 200 mm model includes 1 Losmandy-style and 1 Vixen-style mounting plates. The 150 mm model includes 1 Vixen-style mounting plate.

    The smooth dual-speed 2-inch Crawford focuser.


    Note: The diagonal, eyepiece, and finderscope shown are for illustrative purposes only, but may be purchased separately. 


    OPT Product Number: IO-6111

  • specifications

    Aperture150 mm (6")
    Back Focus235mm
    Camera/Eyepiece Connection2" Nosepiece
    Dawes Limit0.76 arcseconds
    Focal Length1370 mm
    Focal Ratiof/9
    Free ShippingYes
    Limiting Magnitude14.7
    Optical DesignRitchey Chretien
    Secondary Obstruction67mm
    Tube Diameter191mm
    Tube Length485mm
    Tube Weight12.3 lbs
  • included items

    • iOptron Photron 150 mm (6-inch) OTA, RC6
    • Two 25 mm extension rings
    • One 50 mm focus extension ring
    • 1.25-inch accessory adapter
    • One Vixen-style mounting plate 
    • Dual Speed Crayford focuser

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