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Compact triplet ED apochromatic refractor with premium optics, featuring a precise GoTo mount and intuitive Wi-Fi control via tablet, laptop, or desktop PC
- Triple-element ED air-spaced apochromat with precise GoTo mount
- Aperture: 80 mm; Focal length: 480 mm; f/6
- 2" focuser with 10:1 reduction
- 8x50 finder with crosshair eyepiece
- High-quality 62° LER eyepiece with 20 mm focal length
- 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 setup
- 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 by Bresser
The Telescope
The triple-element ED special glass apochromats from EXPLORE SCIENTIFIC offer everything an amateur astronomer could wish for—and all at a moderate price. The triple-element design with Hoya FCD01 ED special glass and two air spaces delivers correction far superior to the two-element ED apochromats that are typically available in this price range.
A calculated Polystrehl of over 0.9 clearly stands out compared to the 0.8x achievable with two lenses. This superior optical performance, combined with a solid mechanical build, leaves nothing to be desired. Additionally, for photography, a field flattener is available as optional accessory, making the instrument fully suitable for astrophotography.
The tube length has been optimized so that accessories with a critical focal position can also be used. In all EXPLORE SCIENTIFIC ED apochromats, a triplet lens with air space and Hoya FCD-1 special glass ensures excellent performance for both visual and photographic use.
The Mount
The iEXOS-100 is a high-quality astronomical telescope mount with a practical Wi-Fi GoTo function and the revolutionary EXPLORE SCIENTIFIC PMC-Eight™ tracking system. This makes navigating the night sky, finding objects, and precise tracking particularly easy. Control is via the free ExploreStars app, available for Windows, Android, and iOS, offering convenient operation from your laptop or tablet. Additionally, the free ASCOM POTH client from EXPLORE SCIENTIFIC is available for download, allowing compatibility with almost any sky software that supports the ASCOM standard.
Accurate tracking and intuitive control
The German equatorial design of the iEXOS-100 enables accurate tracking, allowing observers to keep an object centred in the eyepiece for long periods. This helps astrophotographers to overcome typical challenges in long-exposure photography, such as field rotation or star trails. The unique strength of the PMC-Eight™ system lies in its eight independently operating CPUs. This provides excellent responsiveness, efficiency, and precise tracking to compensate for Earth’s rotation. The intuitive user interface of the ExploreStars app makes telescope alignment and navigation of the night sky easier, delivering interesting information on tens of thousands of celestial objects, which are regularly updated.
Versatile equipment for easy, universal use
Additional benefits of the mount include ergonomic and easy-to-use axis clamps, a stepless fine adjustment for polar height, and a polar alignment tunnel for quick polar alignment with Polaris. A built-in bubble level helps with tripod levelling. Several fluorescent elements on parts of the mount and tripod make it easier to operate in the dark. The attachment of optics is via a standard GP dovetail, making the iEXOS-100 a universally usable mount.
FEATURES TELESCOPE
- Triple-element ED air-spaced apochromat
- Hoya FCD01 ED special glass
- Polystrehl over 0.9
- Lens diameter: 80 mm / Focal length: 480 mm / f/6
- Weight: 2.6 kg
- Focal position: 165 mm from the connection
FEATURES MOUNT
- Integrated EXPLORE SCIENTIFIC PMC-Eight™ Wi-Fi GoTo system
- User-friendly and visually appealing ExploreStars OpenGoto app
- Wi-Fi control via tablet, notebook or desktop PC with at least 7" display and Wi-Fi function (not included)
- Compatible operating systems: WIN8.1, WIN10/11, iOS or Android 4.4 and higher
- Classic control with directional buttons or virtual joystick for guiding, centring, correcting, and slewing via touchscreen
- Intuitive 2-star and 3-star alignment for GoTo setup
- Polar alignment tunnel for rough polar alignment
- Standard dovetail mount (Vixen-style) for attaching telescope/camera
- Multiprocessor microcontroller with 8 CPUs
- Microstep 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
- Option to create and load your own firmware and object lists into the PMC-8
- GPS compatible / Settings dependent on the computer or tablet used
- Fluorescent elements on the mount and tripod
- Weight of tripod head: 4.0 kg; Weight of tripod: 2.5 kg
- Load capacity: up to 5 kg total weight
SCOPE OF DELIVERY
- Optical tube
- 2" star diagonal mirror, 99% reflection
- Dovetail bar & universal finder shoe
- Dust caps for lens & focuser
- 8x50 finder (illuminated, upright image)
- 62° LER eyepiece, 20 mm argon-filled
- iEXOS-100 mount with OpenGoTo PMC-8
- Stainless steel tripod with built-in bubble level
- 3x counterweights, 1.0 kg each
- Spiral cable for DEC motor
- 12V battery compartment with holder (8 x C batteries not included)
- Fluorescent elements on mount and tripod
- ExploreStars app available via free software download
- User manual
Colour: | black |
---|---|
Dust protection caps: | for front lens and eyepiece |
Focus Group [Telescopes]: | Advanced Amateurs, Specialists and Research, Visual enthusiasts |
Focusing system: | 2" Rack-and-Pinion Focuser with 10:1 reduction |
Material: | Aluminium, Carbon fibre, Plastic |
Material front lens or corrector plate: | HOYA FCD-1 |
Mount Type [Telescopes]: | Optics without Mount |
Optical design: | Apochomatic Refractor |
Product Family [Telescopes]: | Refractor telescope |
Transportability: | very good |
Type of coating: | Enhanced Multilayer Desposition (EMD) |
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