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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Explore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor Telescope (Bundle)

UGC ES-FCD100-0806-FF-IEXOS100
Prix d'origine $1,699.99 - Prix d'origine $1,699.99
Prix d'origine
$1,699.99
$1,699.99 - $1,699.99
Prix actuel $1,699.99
Égalisation de prix!
  • Complete astrophotography bundle with 80mm triplet refractor and GoTo mount
  • 80mm aperture and 480mm focal length for wide-field imaging
  • HOYA FCD100 ED glass for superior chromatic aberration correction
  • iEXOS-100 mount supports a 19 lb payload with PMC-Eight wireless control
  • Includes a field flattener designed for f/5 to f/7 systems
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty
  • ED80-FCD100 Series Air-Spaced Triplet Refractor Telescope (Bundle)

    This Explore Scientific ED80-FCD100 bundle combines a premium 80mm triplet refractor with a portable GoTo equatorial mount, creating a complete astrophotography system ready for the field. The optical tube features a 480mm focal length and genuine HOYA FCD100 ED glass for color-true, high-contrast images, supported by a robust 2.5" hexagonal focuser that holds up to 10 lbs of camera gear. The included iEXOS-100 mount carries a total payload of 19 lbs, easily handling the lightweight 7.5 lb telescope and your imaging train. With a dedicated field flattener and two 2.2 lb counterweights included, this package provides everything needed to start capturing stunning wide-field images of deep-sky objects.

    ED80 Triplet: 80mm Aperture with HOYA FCD100 Glass

    The core of this bundle is the ED80 refractor, an air-spaced triplet designed for pristine imaging. Its 80mm objective lens uses HOYA FCD100 extra-low dispersion glass, which provides chromatic aberration correction comparable to Ohara's FPL-53. This design virtually eliminates false color, ensuring stars are sharp, pinpoint sources of light with accurate color fidelity. The 480mm focal length offers a wide field of view, perfect for framing large nebulae and star clusters, while Explore Scientific's EMD multi-layer coatings maximize light transmission for brighter, more detailed views.

    Field Flattener for f/5 to f/7 Systems

    Astrophotography with fast refractors reveals field curvature, causing stars at the edge of the frame to appear elongated. This bundle includes a field flattener specifically designed to correct this aberration in optical systems from f/5 to f/7. It creates a flat focal plane across your entire camera sensor, ensuring sharp stars from corner to corner. The flattener requires a precise back focus of 55mm (+/- 2mm) between the unit and your sensor, a standard distance easily achieved with most DSLRs and dedicated astronomy cameras using common adapters.

    iEXOS-100: 19 lb Payload with PMC-Eight Control

    The iEXOS-100 is a sophisticated yet portable German equatorial mount. Its PMC-Eight control system uses 8 independent CPUs to deliver precise, responsive, and reliable GoTo slewing and tracking. With a total payload capacity of 19 lbs, it provides a stable platform for the 7.5 lb ED80 and a full imaging rig. Built-in WiFi and Bluetooth allow for complete wireless control from a tablet or PC using the free ExploreStars app or any ASCOM-compatible software, giving you access to a vast database of celestial objects from a user-friendly interface.

    A Complete 7.5 lb Astrophotography Rig

    This package is engineered as a cohesive imaging solution. The lightweight 7.5 lb optical tube is perfectly matched to the mount's 19 lb capacity, leaving ample margin for cameras, guide scopes, and other accessories. The bundle includes two 2.2 lb counterweights to achieve perfect balance. From the integrated polar sight hole for quick alignment to the wireless GoTo control and imaging-specific optics, this ED80 bundle is a powerful, portable, and complete system for capturing the night sky.

  • What kind of camera is recommended for the ED80-FCD100 bundle?

    This bundle is ideal for both DSLR/mirrorless cameras and dedicated astronomy cameras with APS-C or smaller sensors. The critical factor is achieving the required 55mm back focus from the field flattener's rear flange to the camera sensor. Most DSLRs naturally meet this spacing with a standard T-ring, while astronomy cameras may require a combination of extension tubes.

    How should I power the iEXOS-100 mount for a full night of imaging?

    The included battery pack uses 8 C-cell batteries, which may provide less than two hours of operation. For a full night, it is highly recommended to use an external power source. A 12V DC lithium-ion power bank or a compatible AC power adapter will provide stable voltage and reliable performance for long imaging sessions.

    Can I use this ED80-FCD100 bundle for visual observation?

    Yes, the ED80 telescope itself is an excellent visual instrument. However, the included field flattener is for photographic use only and cannot be used with an eyepiece. To use the telescope visually, simply remove the flattener and insert a 2" or 1.25" diagonal and eyepiece directly into the 2.5" focuser.

    Can I image the Andromeda Galaxy (M31) with this 480mm focal length setup?

    Absolutely. The 480mm focal length is nearly ideal for framing the Andromeda Galaxy (M31). When paired with an APS-C sensor, the entire galaxy, including its faint outer arms and satellite galaxies M32 and M110, will fit comfortably within a single frame, making this a perfect wide-field system for large targets.

    How does the iEXOS-100 track an object like the Orion Nebula (M42) for long exposures?

    After a proper polar alignment using the built-in sight hole, the iEXOS-100's PMC-Eight system provides precise sidereal tracking. The German equatorial design prevents field rotation, which is critical for long exposures on deep-sky objects like the Orion Nebula (M42). For exposures longer than a minute, pairing this system with a separate autoguiding setup will yield the sharpest possible results.

    What software do I need to control the iEXOS-100 mount?

    You can control the mount wirelessly with the free ExploreStars app, available for Windows, Android, Amazon Fire, and Apple tablets. The mount is also fully ASCOM compliant. By installing the PMC-Eight ASCOM driver on a Windows PC, you can control it with most popular astronomy software, such as N.I.N.A., Sequence Generator Pro, or Stellarium.

  • Telescope Optical Design Air-Spaced Triplet Apochromatic Refractor
    Aperture 80mm
    Focal Length 480mm
    Objective Glass HOYA FCD100 ED Glass
    Coatings Enhanced Multilayer Deposition (EMD)
    Focuser 2.5" Hexagonal Rack-and-Pinion
    Focuser Capacity 10 lbs (4.5 kg)
    Telescope Weight 7.5 lbs (3.4 kg)
    Mount Type German Equatorial GoTo Mount
    Mount Control System PMC-Eight Precision Motion Control
    Mount Payload Capacity 19 lbs (8.6 kg) total
    Connectivity WiFi and Bluetooth
    Field Flattener Compatibility f/5 to f/7
    Field Flattener Back Focus 55mm (±2mm)
    Counterweights Included 2 x 2.2 lb (1 kg)
    Mount Power 8x C-Cell Batteries (not included) or external 12V DC
    • ED80-FCD100 Triplet Refractor OTA

      × 1

    • iEXOS-100 PMC-Eight GoTo Equatorial Mount

      × 1

    • Field Flattener for f/5-f/7 Systems

      × 1

    • Tripod with Accessory Tray

      × 1

    • 2.2 lb Counterweight

      × 2

    • Battery Pack for Mount

      × 1

  • Explore Scientific Warranty