Product Highlights
- Three-element Apochromat with a precise GoTo mount
- Aperture: 102 mm; Focal length: 714 mm; f/7
- 8x50 finder with crosshair eyepiece
- High-quality 2.5" HEXAFOC 10:1 Deluxe focuser
- Lightweight 3.3 kg carbon fibre tube
- Unique PMC-8 OpenGoto system
- User-friendly ExploreStars OpenGoto app
- Wi-Fi control via tablet, notebook, or desktop PC
- Intuitive 2-star and 3-star alignment for GoTo system initialization
- ASCOM drivers available, create your own firmware and object lists
With BRESSER, you can enjoy a smooth introduction to the vast world of astronomy. Our detailed information ("Telescope Guide") provides valuable tips for beginners—but even experienced astronomers can use the information we provide (e.g., tables for the geographical latitude of all major world cities) as a reference.
Here is the table of contents of the comprehensive BRESSER Telescope Guide:
- 2. The View into the Starry Sky
- 2.1 Observing with the Naked Eye
- 2.1.1 Observing Constellations with the Naked Eye
- 2.2 Observing with Binoculars
- 2.2.1 Observing Planets and Moons with Binoculars
- 2.2.2 Observing Deep Sky Objects with Binoculars
- 2.2.3 Every Beginning is Easy
- 2.3 Observing with a Telescope
- 2.4 The Moon
- 2.4.1 The Moon Phases
- 2.4.2 The Far Side of the Moon
- 2.4.3 The Moon Map
- 2.4.4 Maria (Seas)
- 2.4.5 Mare
- 2.4.6 Craters
- 2.4.7 The Ray Craters
- 2.5 Observing the Solar System with a Telescope
- 2.5.1 Where are the Planets?
- 2.5.2 Planet Observation
- 2.5.3 The Position of the Planets Relative to the Sun
- 2.5.4 The Planets Introduce Themselves
- 2.5.5 Deep Sky Observation with a Telescope
- 2.6 Practical Observation Tips and Tricks
- 2.6.2 Tips for Optimal Observation Conditions
- 2.7 The Most Beautiful Objects Throughout the Year
- 4. Telescopes
- 4.1 The Telescope as an Observation Instrument
- 4.2 Optics
- 4.2.1 Refractor (Lens Telescope)
- 4.2.2 Reflector (Mirror Telescope)
- 4.3 Mechanics
- 4.3.1 Altazimuth Mount
- 4.3.2 Equatorial Mount
- 4.3.3 Drive Motors
- 4.4 Accessories
- 4.4.1 Eyepieces
- 4.4.2 Important Tips for Eyepiece Selection
- 4.4.3 Filters
- 4.4.4 Photographic Accessories
- 4.4.5 Other Accessories
- 5.1 Which Telescope for Whom?
- 5.1.1 Deep-Sky Observations
- 5.1.2 Observing Closer Planets
- 5.1.3 The Topic of Portability
- 5.1.4 Price Factor When Buying a Telescope
- 6. Useful Tables
- 6.1 Table for the Geographic Latitude of All Major World Cities
- 6.1.1 Observers in the Northern Hemisphere (N):
- 6.1.2 Observers in the Southern Hemisphere (S):
- 6.2 Lookup Table for Notable Stars
- 6.3 Getting Acquainted with the Universe - or: Distances in Space
Sky Guides von Bresser
The Telescope
Highly corrected 102mm triplet apochromat (three lenses) with a carbon fibre tube and 2.5'' HEXAFOC precision focuser.
Apochromats in the small and medium aperture range are unparalleled: the combination of portability, extremely high image contrast, and sharpness, along with excellent astrophotography capabilities, make these instruments unbeatable. Advances in glass manufacturing have made high-quality apochromats accessible to more buyers. With the new Explore Scientific FCD-100 CF Hex, this development has reached a new peak – the colour purity of this device sets new standards in this price range. The optical design achieves a polystrehl value of 0.97, a mark of excellent correction.
This outstanding apochromat is versatile: the fast f/7 focal ratio allows short exposure times in astrophotography, while the high image sharpness and excellent contrast enable both wide-field observations, such as of the North America Nebula or the Andromeda Galaxy, and sharp planetary observations. It is extremely light and compact – the dew shield can be slid in to save space. Modern glass and precise manufacturing make this a top-level observation tool, providing pure enjoyment. This telescope is highly recommended not only for travel but also for quick observations and astrophotography. The high-quality 2.5'' HEXAFOC focuser with 1:10 reduction completes the package – with a large free diameter of 65mm, there is no vignetting, even when using larger camera sensors.
The Mount
The iEXOS-100 is a high-quality astronomical mount with practical Wi-Fi GoTo functionality and the revolutionary EXPLORE SCIENTIFIC PMC-Eight™ tracking. It makes sky navigation, finding objects, and precise tracking easy. The control is operated via the free ExploreStars app for Windows, Android, and iOS, comfortably through your laptop or tablet. Additionally, the free ASCOM POTH Client from EXPLORE SCIENTIFIC (wired or wireless) is available for download, enabling you to work with virtually any sky software supporting the ASCOM standard.
Precise tracking and intuitive control
The German equatorial design of the iEXOS-100 allows for precise tracking, enabling observers to keep an object centred in the eyepiece for extended periods. This helps astrophotographers overcome typical long-exposure challenges, such as field rotation and star trails. The unique strength of the PMC-Eight™ system lies in its eight independently operating CPUs, offering excellent responsiveness, efficiency, and extremely accurate tracking to compensate for Earth's rotation. The intuitive user interface of the ExploreStars app makes telescope alignment and night sky navigation easy, providing interesting information about tens of thousands of celestial objects, which are regularly updated.
Versatile equipment for easy, universal use
Other advantages of the mount include easy-to-use axis clamps, a stepless polar height adjustment, and a polar alignment tunnel for quick alignment with Polaris. A built-in bubble level helps level the tripod. Multiple fluorescent elements on the mount and tripod make it easier to navigate in the dark. The attachment of optics is done via a standard GP dovetail, making the iEXOS-100 a universally applicable mount.
TELESCOPE FEATURES
- Three-element apochromat with two air spaces and a central FCD-100 element
- Aperture: 102mm
- Focal length: 714mm
- Focal ratio: f/7
- Tube weight: 3.3 kg, significant weight reduction due to the carbon tube
- Focus point: 150 mm from the connector
MOUNT FEATURES
- Integrated EXPLORE SCIENTIFIC PMC-Eight™ Wi-Fi GoTo system
- User-friendly and visually appealing ExploreStars OpenGoto app
- Wi-Fi control via tablet, laptop, or desktop PC with a minimum 7'' display and Wi-Fi functionality (not included)
- Compatible operating systems: WIN8.1, WIN10/11, iOS, or Android 4.4 and higher
- Classic control via directional buttons or virtual joystick for guiding, centring, correcting, and moving via touchscreen
- Intuitive 2-star and 3-star alignment for GoTo system initialization
- Polar alignment tunnel for rough polar alignment
- Standard Vixen-style dovetail for attaching telescope/camera
- Multiprocessor microcontroller with 8 CPUs
- Micro-stepper motors and worm gears on both axes
- Quiet belt drive
- Mini-USB interface for INDI/ASCOM wired PC connection
- ST-4-compatible autoguider port
- INDI and ASCOM drivers available, supports pulse-guiding
- Ability to create custom firmware and object lists and load them into the PMC-8
- GPS compatible / settings dependent on the computer or tablet used
- Fluorescent elements on the mount and tripod
- Tripod head weight: 4.0 kg; tripod weight: 2.5 kg
- Carrying capacity: up to 5 kg total weight
SCOPE OF DELIVERY
- Optical tube
- 2"-99% star diagonal
- Two extension sleeves for the focuser
- Tube rings with dovetail bar and carrying handle
- Dust caps for the objective and focuser
- Universal finder shoe
- 8x50 illuminated finder (upright image)
- 62° LER eyepiece, 26 mm Argon-filled
- Explore Scientific iEXOS-100 mount with Open GOTO PMC-8
- Stainless steel tripod with built-in bubble level
- 4x 1.0 kg counterweight
- Spiral cable for DEC motor
- 12V battery holder (8 x C batteries not included)
- Fluorescent elements on the mount and tripod
- ExploreStars app via free software download
- User manual
Colour: | black/white |
---|---|
Eyecups: | Rubber eyecups, foldable |
Focus Group [Telescopes]: | Advanced Amateurs, Specialists and Research, Visual enthusiasts |
Focusing system: | 2.5" Hexafoc DeLuxe with 10:1 |
Material: | Aluminium, Carbon fibre, Plastic, Stainless steel |
Material front lens or corrector plate: | HOYA FCD-100 |
Optical design: | Apochomatic Refractor |
Product Family [Telescopes]: | Refractor telescope |
Type of coating: | Enhanced Multilayer Desposition (EMD) |
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