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Explore Scientific iEXOS-100-02 HD PMC-Eight Equatorial Tracker System

SKU ES-iEXOS100-ET
Original price $699.99 USD - Original price $699.99 USD
Original price
$699.99 USD
$699.99 USD - $699.99 USD
Current price $699.99 USD
Price Match Policy!
  • German equatorial GoTo tracking system
  • Approx. 9 lb equipment capacity (15 lb photographic incl. counterweights)
  • PMC-Eight controller with WiFi, Bluetooth and ASCOM support
  • Includes Twilight Medium Duty Tripod
  • Includes Illuminated Polar Finder and Azimuth Adjuster
  • ST-4 compatible autoguider port
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty
  • Explore Scientific iEXOS-100-02 HD PMC-Eight Equatorial Tracker System

    The Explore Scientific iEXOS-100-02 HD system pairs a German equatorial mount with the PMC-Eight GoTo controller. It is rated at approx. 9 lb (4.1 kg) of equipment alone, or 15 lb (6.8 kg) photographic and 19 lb (8.6 kg) visual with equipment and counterweights added together. The mount head weighs 9.45 lb (4.3 kg), two 1 kg counterweights are included, and the package adds an illuminated polar finder, an azimuth adjuster adapter, the Twilight Medium Duty Tripod and a camera dovetail plate. Control is managed wirelessly via the ExploreStars app or through a standard ASCOM connection, for small telescopes and DSLR camera setups. A tablet or computer is sold separately.

    PMC-Eight GoTo: App Control and ASCOM Software Freedom

    The core of the iEXOS-100 is the PMC-Eight motion controller. This system provides GoTo object location and tracking through two primary methods: the free ExploreStars app for tablets (Windows, Android, Amazon Fire and Apple), or the free PMC-Eight ASCOM driver and ASCOM POTH Client, wired or wireless, which work with virtually any sky software that supports ASCOM.

    Explore Scientific's PMC-Eight uses an 8-core microcontroller with eight CPUs that operate independently on defined functions, and invites developers to join its OpenGOTO community by downloading its code.

    German Equatorial Design and Capacity

    Once polar aligned, a German equatorial mount follows objects as they rise in the east and set in the west, which helps imagers avoid field rotation. The mount is rated at approx. 9 lb (4.1 kg) of equipment alone, or 15 lb (6.8 kg) photographic and 19 lb (8.6 kg) visual with equipment and counterweights added together, so it suits small telescopes and DSLR camera setups.

    • Smooth Clutches: The RA and DEC axes feature smooth locking clutches, for precise balancing and quick repositioning of telescope or camera setups.
    • Vixen-Style Saddle: A Vixen-style saddle takes Vixen-style dovetails, including the included camera dovetail plate.
    • ST-4 Autoguider Port: An ST4 (RJ-12) auto-guider port accepts an autoguider; the manual says to put the controller in track mode when guiding with ExploreStars.

    HD Alignment Kit: Illuminated Polar Scope and Azimuth Adjuster

    A rough alignment with the celestial pole usually suffices for visual observing, while astrophotography can be more demanding. This package adds two tools for that.

    The illuminated polar finder scope has a reticle with markings for both northern and southern hemispheres and an illuminator with adjustable brightness; its adapter and bracket attach to the iEXOS-100 mount. For the final, critical positioning, the included azimuth adjuster adapter allows you to make fine, controlled left-right adjustments to the mount's orientation, for precise polar alignment.

    Field-Ready Foundation: 9.45 lb Mount Head and Twilight Tripod

    The 9.45 lb (4.3 kg) mount head sits on the Twilight Medium Duty Tripod, which has fully adjustable 1.5-inch stainless steel legs secured with a die cast aluminum spreader tray and threaded T-bar. It keeps vibrations to a minimum; the tray doubles as an accessory holder. The legs adjust from 25 to 42 inches, the footprint is 42 inches, and the tripod weighs 11 lb (5.0 kg).

    • Glow-in-the-Dark Markers: Key points on the mount and tripod feature glow-in-the-dark indicators, so you can stay oriented with your setup at night.
    • Portable Power: The system is powered by an included pack for 8 C-cell batteries (not included), which attaches directly to a tripod leg bracket . Alkaline batteries typically last less than two hours, so a compatible lithium-ion power bank or AC power adapter into the 12V DC in port is recommended for extended use.
  • What software do I need to control the iEXOS-100 mount?

    You can control the Explore Scientific iEXOS-100 using two methods. For a simple, all-in-one experience, use the free ExploreStars app on a Windows, Android, Amazon Fire or Apple tablet. For advanced astrophotography, you can use the free PMC-Eight ASCOM driver and ASCOM POTH Client, wired or wireless, with virtually any sky software that supports ASCOM.

    Is the iEXOS-100 suitable for astrophotography with a DSLR camera?

    Yes. Explore Scientific designed the iEXOS-100 for small telescopes and DSLR camera setups. Keep the camera and lens within the approx. 9 lb equipment figure. The included polar finder and azimuth adjuster help with the more demanding polar alignment that imaging needs.

    How do I power the iEXOS-100 in the field?

    The iEXOS-100 comes with a battery pack that holds 8 C-cell batteries (not included). This pack attaches to a bracket on the tripod leg for a clean, portable setup. Standard alkaline batteries typically provide less than two hours of operation, so a compatible lithium-ion power bank or AC power adapter is recommended for extended use.

    What telescope size suits the iEXOS-100?

    Weigh your telescope, camera and accessories: the total should stay near the approx. 9 lb equipment figure, and with counterweights within 15 lb for photography. Explore Scientific pairs the mount with its 3.4 kg (7.5 lb) ED80 tubes in its own packages; heavier 4-inch tubes leave little or no room for a camera.

    How does the iEXOS-100 handle balancing a DSLR with a 300mm lens for imaging the North American Nebula (NGC 7000)?

    Balancing this setup on the iEXOS-100 is straightforward. First, you attach your camera and lens with the included camera dovetail plate (1/4-20 bolt, with a 3/8-16 adapter and a spring-loaded pin). Then, you slide the two 1 kg counterweights along the counterweight shaft to balance the load in Right Ascension. Finally, you slide the camera plate forward or backward in the saddle to achieve balance in Declination. Setups over 6 lbs need additional counterweights.

    What is the benefit of the included Azimuth Adjuster Adapter on the iEXOS-100?

    The Azimuth Adjuster Adapter is for precise polar alignment. After you set the mount's latitude for your location, this adapter allows you to make very fine, controlled side-to-side (azimuth) adjustments. This lets you place Polaris in the polar finder more precisely than by moving the tripod.

    Does the polar finder work in the Southern Hemisphere?

    Yes. Its reticle includes markings for both northern and southern hemisphere alignments, and the illuminator has adjustable brightness.

    How do I connect to the mount over WiFi?

    The PMC-Eight broadcasts its own WiFi network. The SSID is PMC-Eight-xxxx and the password is "PMC-Eight"; connect your tablet or computer to it, then open ExploreStars or your ASCOM software.

    What are the Twilight Medium Duty Tripod's dimensions?

    Height is 29.5 inches fully collapsed, 25 inches open with legs retracted and 42 inches with legs fully extended, with a 42-inch footprint and a weight of 11 lb (5.0 kg).

  • GTIN 811803032873
    Mount type German equatorial
    Payload (without counterweight) Approx. 9 lb (4.1 kg), equipment only
    Payload (with counterweight) 15 lb (6.8 kg) photographic, 19 lb (8.6 kg) visual, including counterweights
    Mount head weight 9.45 lb (4.3 kg)
    Saddle Vixen-style
    GoTo Yes
    Counterweights included Two 1 kg
    Tripod or pier included Twilight Medium Duty Tripod
    Autoguider port Yes, ST-4 (RJ-12)
    Power input 12V DC; 8x C battery pack (batteries not included)
    Control (hand controller, Wi-Fi, ASCOM/INDI) WiFi or wired; ExploreStars app or PMC-Eight ASCOM driver
    • iEXOS-100 Mount Head with PMC-Eight

      × 1

    • Twilight Medium Duty Tripod

      × 1

    • Illuminated Polar Finder Scope

      × 1

    • Azimuth Adjuster Adapter

      × 1

    • Camera Dovetail Plate

      × 1

    • 1 kg Counterweight

      × 2

    • 8 C Battery DC Power Supply with Cable (batteries not included)

      × 1

    • Battery Pack Mounting Bracket

      × 1

    • ST4 (RJ-12) WiFi Channel Switch Dongle

      × 1

    • DB9 to RJ-25 DEC Cable

      × 1

  • Explore Scientific Warranty