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BRESSER Messier AR-102/1000 Hexafoc EXOS-1/EQ4 Telescope

102mm f/10 achromatic refractor with stable mount and tripod

High quality achromatic lens telescope with mount

Diameter: 102mm / Focal Length: 1000mm F/9.8

EXOS-1 equatorial mount up to 7 kg load capacity

Star tracking engine can be retrofitted as an option

Scope of supply: telescope, mount, tripod, accessories

Solar lens filter and smartphone adapter included for navigation

Stainless steel tripod with bubble level for a firm and straight stand

Handle with integrated camera mount

6x30 finderscope with crosshair eyepiece and optimized finder mount for comfortable viewing

Telescope for night and solar observation.

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Entrega entre 7 y 9 días laborables

NEW: Now includes a high-quality lens solar filter for safe viewing of sunspots, eclipses, and planetary transits. A high quality telescope for night and solar observation.

Ambitious beginners and advanced users can use this device to find the brightest objects outside the solar system. Discover structures in the Orion Nebula at the incredible distance of 1,500 light-years (14,200,000,000 km)! The stable mount allows relaxed observation even at the highest magnifications; Stability and ease of use set new standards in this price range. Due to the high-quality mechanics, you can already take your own moon photos with this device, crossing the light-dark boundary (Terminator) on the moon is a pleasure. You will never want to return the BRESSER Messier AR-102.


Type: lens telescope

Lens diameter: 102mm / focal length: 1000mm / F/9.8

Maximum useful magnification: 204x

High quality bright achromatic lens

State-of-the-art multi-layer lens coating for a bright, high-contrast image

Robust aluminum tube construction

Very high quality Hexafoc focuser with 2.5" free inner diameter

6x30 viewfinder with crosshair eyepiece; Optimized viewfinder mount for comfortable viewing

31.7 mm (1.25") star diagonal

Handle for easy transport with integrated camera mount (threaded photo screw)

Prism rail with stainless steel clamping surface (44mm universal dovetail for GP/EQ5/LXD75)

50.8 to 31.7mm adapter with integrated T2 adapter (requires optional T2 ring)

Smartphone adapter included for celestial navigation

Telescope for night and solar observation.


Stable equatorial mount with fine adjustment on both axes

Circular bubble for easy horizontal alignment

Stable, height-adjustable stainless steel tripod

can be retrofitted with a tracking motor for the right ascension axis

Polar height scale to set latitude

scaled pitch rings to find objects more easily using a star atlas or planetarium software

Tripod Weight: 4.7kg

Mounting weight: 4 kg (without counterweight)

Total weight including counterweight: 13.2 kg


optical tube

26mm (31.7mm / 1.25") Super Plössl eyepiece

31.7 mm (1.25") star diagonal

integrated 31.7mm and T2 adapter

Prism rail with stainless steel clamping surface (44mm universal dovetail for GP/EQ5/LXD75)

Finder telescope 6x30

rotating star map

sun filter lens

Tube clamps with carrying handle and camera mount

Smartphone adapter for navigation

Stellarium PC astronomy software (via download)

1 counterweight of 4.5 kg.

EXOS 1 equatorial mount with stainless steel tripod

Technical Data

Field of application
  • Deep Sky Observation
  • Lunar observation
  • Lunar photography
  • Planetary observation
  • Planetary photography
  • Solar observation
Focus Group
  • Beginners
  • Advanced Amateurs
Product Family Refractor telescope
Optical design Achromatic Refractor
Magnification from 38
Maximum recommended magnification 200
Mirror/Lens diam. 102 mm
Focal length 1000 mm
Aperture ratio 9.8
Angular resolution 1.3 arc seconds
Type of coating Multi coated
Finderscope 6 x 30 mm
Material OTA Aluminium
Colour white
Fine movements Manual (RA and DEC)
Material tripod3 Stainless Steel
Dust protection caps Dust protection caps for front lens and eyepiece holder
Mount Type German/Equatorial Mount
Product series Messier
Extended warranty 10 years
Total length 100 cm
Total width 100 cm
Total height 170 cm
Tripod height adjustment
Maximum load capacity 7 kg
Net weight mount (incl. accessories) 4 kg
Net weight tripod (incl. accessories) 4.7 kg
Counterweight 4.5 kg
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