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Helios Fieldmaster ED 20-60X85  DUAL FOCUSSER waterproof  Spotting Scope -HD Performance


  The new high-end Fieldmaster-ED85DS is perfect for the discerning birdwatcher and nature observer.

This refined instrument features a doublet objective lens which provides a highly corrected image and excellent optical performance. One Exotic ED (Extra-low dispersion) lens element is employed in its construction, which virtually eliminates chromatic aberration and delivers high-fidelity true-colour images.

Features high quality BaK-4 Prisms. Optics are fully broadband multi-coated throughout for maximum light transmission and contrast.

Features a precision 4:1 ratio dual-speed focuser for exceptional focusing accuracy.

The stylish spotting scope body is constructed from robust but lightweight magnesium alloy, with a sliding dew shield/sun shade.

Fully waterproof and nitrogen-filled for clear, fog-free viewing.

The supplied 7.5-22.5mm zoom eyepiece, constructed from 8 lens elements, provides a generous 20-18mm of eye relief and is suitable for use with or without spectacles.

Supplied with quality Stay-on case. 




  • Fully multi-coated optics
  • Doublet objective lens with ED glass
  • Precision 4:1 ratio dual-speed focuser
  • Extendable dew shield / sun shade
  • Eye relief 18-20mm
  • Nitrogen filled - waterproof and fog proof

What's in the box

Fieldmaster Spotting Scope

20-60x Zoom Eyepiece

Stay-on Case

Lens Caps

Cleaning Cloth

User Guide


Model 40911

Specification 20-60x85ED

Magnification 20x to 60x

Object Lens Diameter 85mm

Field of view 2.2 to 1.1 degrees

Actual Field of View 38m to 20m @ 1000m

Nearest Focus Distance 4.5m

Weight 1,950g / 68.78oz

Focal Length 457.7mm

Multi-coated Optics Yes

Scope Length 385mm

Helios Fieldmaster ED 20-60X85 DUAL FOCUSSER waterproof Spotting Scope -HD Perfo


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