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  • Omegon Apochromatic Refractor Pro APO AP 121/678 Quintuplet OTA

    Estimated Delivery: 5-10 days

    RECOMMENDED FOR:

    Omegon Apochromatic Refractor Pro APO AP 121/678 Quintuplet OTA

    The Omegon Apochromatic Refractor OTA is designed to meet the high standards of astrophotography enthusiasts. Offering superior optical performance and precision, this apochromat triumphs in its ability to capture the night sky with unparalleled clarity.

    Optical Excellence for Astrophotography

    This quintuplet refractor, with a 121mm aperture and five-lens configuration, utilizes premium ED glass for astrophotography that showcases sharp detail and vibrant colors. By incorporating an integrated flattener, it wards off image distortion across the entire field, especially beneficial for users with full-frame cameras.

    Attention to Detail

    • Quintuplet ED-Apo, featuring five lenses to achieve exquisite astrophotos with optimal color correction.
    • The integrated two-lens corrector fully illuminates the camera sensor, fitting an image circle diameter of 49mm.
    • The 4" focuser, designed for heavy-duty use, allows for precise focusing with a 1:10 reduction ratio, ensuring that heavier cameras are easily accommodated without compromising on precision.
    • Camera rotation capability at 360° enables photographers to adjust orientation swiftly, making it hassle-free to frame the desired celestial object.
    • An 82mm thread ensures a robust and secure connection between your telescope and additional accessories.
    • Includes an M48x0.75 camera adapter.

    Why Opt for Omegon Optics?

    With this apochromat, detail and contrast are significantly enhanced, making celestial observations and astrophotography more rewarding. Planets and distant galaxies appear with sharp outlines and high contrast, thanks to the meticulously crafted optics and multi-coated lens surfaces.

    Focuser Mechanics

    The focuser's large size suits full-frame enthusiasts, providing expansive space for excellent illumination and image capture without vignetting. A combination of Crayford and gear technology grants smooth focusing even under the weight of substantial equipment. Fine adjustments are made effortless with a 1:10 geared reduction.

    Solid and Reliable Construction

    The telescope tube is constructed using CNC machining, equipped with an advanced anti-reflective system and lined with velvet-like black fabric to absorb stray light effectively. This provides an enhanced visual experience free from unwanted reflections.

    Additional Features for Convenience

    • The dew cap can be extended to prevent lens fogging and retracted for easy transport; it is adjustable and secures with a simple screw.
    • The integrated mounting thread allows for the firm attachment of essential astrophotography accessories, ensuring nothing shifts out of place during observation.

    Designed for both novice and experienced astronomers, the Omegon Apochromatic Refractor positions itself as an indispensable tool for those passionate about exploring and photographing the cosmos.

    SPECIFICATION

    Brand

    Omegon

    Product Number

    65143

    EAN 

    4049467456346

    Optics


    Type

    Refractor

    Type of build

    Apochromat

    Aperture (mm)

    121

    Focal length (mm)

    678

    Aperture ratio (f/)

    5.6

    Resolving capacity

    0.95

    Light gathering capacity

    300

    Limit value (mag)

    12.2

    Max. useful magnification

    242

    Tube construction

    Full tube

    Coating

    Multiple

    Lens design

    Quintuplet

    Focuser


    Type of build

    Gear rack

    Connection ( to eyepiece)

    2 (M48)

    Rotating

    Yes

    Gear reduction

    1:10 Fine movement

    Adjustment range (mm)

    48

    Ring clamp

    Yes

    Mount


    Mount 

    No mount

    Type of build

    OTA (Optical tube assembly)

    GoTo control

    No

    Included accessories


    Eyepiece adapter

    1.25" and 2"

    Tube clamps

    Yes

    Finder base

    Vixen/Skywatcher Level

    Prism rail

    Losmandy-Style

    Miscellaneous

    Aluminium case

    Corrector

    Integrated

    General


    Total weight (kg)

    8.85

    Series

    Pro APO

    Length (mm)

    600

    Area of application


    Moon & Planets

    Yes

    Nebulae & galaxies

    Yes

    Nature Observation

    Yes

    Astrophotography

    Yes

    Sun

    Not recommended without appropriate sun filter

    Recommended for


    Beginners

    No

    Advanced

    Yes

    Observatories

    Yes


    As authorised dealers for all our products they come with a full manufacturers warranty along with our satisfaction guaranteed, no-questions-asked full refund policy for a full 30 days.

    Please see our returns policy for full details.

    We ship direct from UK warehouses and provide free shipping on all purchases within England, Scotland and Wales (Excluding highlands and Islands)

    We use UPS, DHL, DHL Express, Parcelforce or Royal Mail for all orders.

    Estimated delivery time is displayed at checkout.

    See our shipping policy for more details.

    Should you be outside the free shipping area then please contact us to discuss shipping options as prices vary depending on products and delivery location.

    Got questions? Read through our FAQ list to see if it's answered there! If not, please contact us via this form.

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