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Opticron 8x20 Gallery Scope Macro-Focus Monocular

BH #OP8X20GSM • MFR #30176
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Opticron 8x20 Gallery Scope Macro-Focus Monocular
Key Features
  • Compact and Lightweight
  • BK7 Roof Prism
  • Anti-Reflection Fully Multicoated
  • 12" Macro Focus Capability
Designed with the fine art student in mind, the Opticron 8x20 Gallery Scope Macro-Focus Monocular is an excellent tool for the close-up study of paintings, the macro study of wildlife, and as an easy-to-use field monocular that fits comfortably into your pocket or backpack.
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Opticron Gallery Overview

Designed with the fine art student in mind, the Opticron 8x20 Gallery Scope Macro-Focus Monocular is an excellent tool for the close-up study of paintings, the macro study of wildlife, and as an easy-to-use field monocular that fits comfortably into your pocket or backpack.

Optical Performance
  • 8x magnification brings subjects in close for detailed observation
  • 20mm objective lens ensures a compact form factor for easier packing and handling
  • BK7 roof prism light path ensures thin optical tubes to help maintain a slim form factor
  • Anti-reflection fully multicoated optics reduce glare and improves contrast & color rendition
  • Field of view approaches wide angle to produce an immersive observational experience
Macro Focusing
  • Wind out focusing mechanism fully produces a close focus of just 12" (30cm)
  • Exceptional short focus is perfect for detailed inspection of all kinds of flora and fauna
  • Convert the monocular to a 24x microscope using the optional 30259 LED Microstand
Use and Handling
  • Low-profile ridged focus collar
  • Etched graduated focus scale allows easy repeatability
  • Fold-down rubber eyecup for comfortable use with or without eyewear
  • 11mm eye relief
  • 2.5mm exit pupil
Construction Details
  • Made in Japan
  • Lightweight and durable aluminum alloy chassis
  • Gloss black anodized finish
  • Measures just 3.7" long
  • Weighs just 2.5 ounces

Opticron Gallery Specs

Key Specs
Prism Type
Roof (BK7)
Magnification
8x
Objective Lens Diameter
20 mm
Angle of View
7° (Actual)
Field of View
366' @ 1000 yd / 121.5 m @ 1000 m
Exit Pupil Diameter
2.5 mm
Performance
Magnification
8x
Objective Lens Diameter
20 mm
Angle of View
7° (Actual)
Field of View
366' @ 1000 yd / 121.5 m @ 1000 m
Minimum Focus Distance
12" / 30.5 cm
Exit Pupil Diameter
2.5 mm
Eye Relief
11 mm
Diopter Adjustment
Yes
Features
Fogproof
No
General
Dimensions
3.7 x 1.3 x 1.2" / 94 x 33 x 30.5 mm
Weight
2.5 oz / 71 g
Packaging Info
Package Weight
0.255 lb
Box Dimensions (LxWxH)
5.1 x 2.3 x 2.2"

Opticron Gallery Reviews

Amazing!

By Travel Hike Dog
Rated 5 out of 5
Date: 2025-05-05

Perfect as an extremely lightweight everyday carry for bird viewing/identification. Clarity is amazing, just what I was looking for. Seems very well made. It was more than I wanted to spend on a monocular but it was the one that met all my criteria and I have no regrets. I’m not sure how much I’ll use it for the close-up viewing, but it’s another fun aspect of my new ‘toy.’ Very pleased with this! It is also perfect for my upcoming travel and hiking.

lightweight monocular

By Stewart
Rated 5 out of 5
Date: 2023-03-28

Nice, lightweight monocular. Optics fairly decent. Perfect for longer hikes when heavy binocs are impractical.

See any errors on this page?

Is there a diopter adjustment for personalizing ...

Is there a diopter adjustment for personalizing the focus?
Asked by: Martin
Yes the Opticron 8x20 Gallery Scope Macro-Focus Monocular has a diopter adjustment.
Answered by: Dan W
Date published: 2025-06-02
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