Bresser Special Astro 20x80 Binoculars

• 20x80 optical format: The combination of 20x magnification and 80 mm objectives gives this astronomy binocular strong light-gathering ability for moon detail, brighter deep-sky viewing, and long-distance terrestrial observation where smaller binoculars start to run out of reach.
• Porro prism design: The Porro prism layout helps deliver a spacious, high-contrast image with good depth perception, which is especially useful when scanning the night sky or picking out distant subjects against complex backgrounds.
• Fully multi-coated optics: Fully multicoated lenses improve light transmission and reduce distracting reflections, helping the image stay brighter and cleaner in low light and during extended observation sessions.
• Tripod adaptable construction: With a tripod-adaptable body, the binocular is better suited to high-magnification use, where a stable mount makes fine detail easier to see and reduces fatigue during long astronomy sessions.
• Aluminium housing with central focus: The aluminium body keeps the binocular robust for regular transport and field use, while the central focusing system makes it quicker to bring both barrels into focus when switching between distant subjects.

About the Bresser Special Series

The Bresser Special series covers several distinct binocular families built around different observation needs rather than a single one-size-fits-all format. Within the range, Spezial-Astro models are aimed at astronomy, landscape viewing, and long-distance observation, while other Special variants address low-light nature use or variable-magnification applications. This gives the series a broad role in the Bresser lineup: practical binoculars with purpose-specific configurations instead of purely general-use designs.

For astronomy-oriented models, the series emphasizes large objective lenses, stable high-magnification viewing, and tripod-mount compatibility, all of which matter when observing the moon, star fields, or distant terrestrial subjects for extended periods. The Special family is also known for offering different optical layouts and magnification concepts across its subseries, so users can choose between fixed-power astro binoculars, zoom-capable versions, or low-light hunting-focused designs. In practice, the Bresser Special name is associated with binoculars that prioritize straightforward function, application-led design, and optical formats chosen to suit specific viewing tasks rather than compact carry above all else.

About the Bresser Special Astro 20x80 Binoculars

The Bresser Special Astro 20x80 Binoculars are built for observers who want the reach of 20x magnification together with the light intake of 80 mm objective lenses. That combination makes this model particularly well suited to lunar observation, bright deep-sky targets, and long-range terrestrial viewing where image scale matters as much as brightness. The 4.00 mm exit pupil keeps the image usable in dim conditions, while the listed 56.00 m/1000m field of view remains practical for locating larger subjects and scanning broad sections of sky.

The optical system uses a Porro prism design with fully multicoated lenses, a combination that supports good contrast and efficient light transmission in a binocular of this size. For astronomy and other prolonged observation, the tripod-adaptable body is an important part of the design, since high magnification quickly reveals hand shake. Mounted support allows the binocular to show more of the detail its optics can resolve and makes long sessions more comfortable.

Mechanically, the binocular uses an aluminium housing and a central focusing system, with diopter adjustment on the right eyepiece to fine-tune the view to the user’s eyesight. The wide 57.00 mm to 72.00 mm interpupillary adjustment range helps accommodate different users, while the large-format body gives the instrument the stability and optical spacing expected from a dedicated astronomy binocular rather than a compact all-rounder.

About Bresser

Josef Bresser founded BRESSER Optik in Germany in 1957, establishing a company focused on optical instruments for enthusiasts and practical field use. BRESSER GmbH is headquartered in Rhede, Germany, and its product range covers telescopes, binoculars, microscopes, and outdoor optics, reflecting long-standing expertise across both astronomy and observation equipment.

Over time, the company expanded and refined its position in amateur optics. In 1999, Rolf Bresser sold the business to Meade Instruments Corp., and in 2009 Rolf Bresser, Jinghua Precision Optics, and managing director Helmut Ebbert acquired all shares of Bresser GmbH. Bresser later broadened its range with products such as trail cameras and rangefinders, while continuing to develop astronomy-focused lines including the Messier telescope series. For binoculars such as the Special Astro models, Bresser is particularly relevant as a manufacturer with deep roots in accessible astronomy and observation optics.

Main Features

• Product series: Bresser Special
• Prism type: Porro
• Magnification: 20.00 x
• Objective lens diameter: 80.00 mm
• Exit pupil: 4.00 mm
• Field of view at 1000 m: 56.00 m/1000m
• Field of view: 3.20 °
• Close focus: 40.00 m
• Twilight factor: 40
• Relative brightness: 16
• Lens coating: Fully Multicoated
• Length: 330.00 mm
• Width: 235.00 mm
• Height: 108.00 mm
• Weight: 2100.00 g
• Housing material: Aluminium
• Gas filling: Nitrogen
• Focusing system: Central
• Diopter adjustment position: Right eye-piece
• Interpupillary distance: 57.00 mm - 72.00 mm
• Body type: Open bridge
• Tripod adaptable: Yes

Warranty

Bresser provides a 5-year warranty for the Bresser Special Astro 20x80 Binoculars. This stated warranty period gives clear long-term coverage for a large-format observation optic intended for regular astronomy and long-distance viewing use.

In the Box

• Binoculars
• Case