Porro Prisms, Wide-Angle AAoV, Multi-Coated Optics, Zoom Lever

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The UpClose G2 10-30x50 Zoom Porro Binocular from Celestron is a large handheld binocular with a very welcome integrated tripod thread. The 50 millimetre objectives are bountiful light gatherers allowing bright images during low light conditions such as dawn, dusk and overcast days. The expansive zoom magnification sharpens the details as the subject is enlarged from the expansive scan of 10x to the minuscule precision of 30x. This is a powerful optic that is just over the line of handheld practicality. Any support will come in handy; such as a car top, a fence, a tree or the mast stay of a boat unless of course it is being leveraged with a tripod. Besides its all around usefulness for just about any application, because of their large aperture and high magnification they are also suited for astronomical observation.

A very welcomed Apparent Angle of View (AAoV) stretches past 65 degrees at 30x power. BAK7 glass with multi-coated optics dispenses brighter, sharper, higher contrasted images. The housing is water resistant, rubber coated and made out of aluminium. There are ergonomic thumb indents and finger ridges for a firm, slip-proof grip even in inclement weather conditions. The large centre focus knob will be especially appreciated in challenging, high-stress situations. A dioptric ring adjuster and fold down rubber eyecups customise the comfort level to individual preferences. The built-in tripod threaded screw hole is located underneath a protective cap. Use of a tripod allows for added stability and comfort especially when viewing at high powers.

Key Features

  • Wide AAoV of 65.7° at 30x
  • Large ridged centre focus wheel affords easily accessible focusing
  • Right-side ridged thumb lever for continuous zooming from 10x to 30x magnification
  • Rubber eyecups and right eye dioptre adjustment supply comfortable customised viewing
  • Porro Prisms offer enhanced three-dimensional imaging, less light loss and generally sharper images for a smaller investment
  • Rubber covered aluminium body with ergonomic thumb indents and finger ridges provide a secure and comfortable grip, as well as added shock-resistance
  • BAK7 glass with multi-coated optics on at least one lens surface reduces light loss and glare due to reflection offering a brighter, higher-contrast image
  • Celestron recommends this binocular for bird watching, sporting events, nature & wildlife, hunting, travel & ventures, concerts & live events, and boating


Prism Type
Objective Lens Diameter
Angle of View
10x: 4.3°
30x: 2.2°
10x: 225' @ 1000 yd / 74.70 m @ 1000 m
30x: 115' @ 1000 yd / 38.18 m @ 1000 m
Minimum Focus Distance
26' / 7.92 m
Please Note:
@ 10x
45' / 13.7 m @ 30x
Exit Pupil Diameter
10x: 5  mm
30x: 1.7  mm
Eye Relief
10x: 20  mm
30x: 15  mm
Interpupillary Adjustment
56 - 72 mm / 2.20 - 2.83"
Dioptric Correction
Not Specified By Manufacturer
Focus Type
Tripod Mount
7.3 x 6.3 x 3.2" / 18.54 x 16.00 x 8.13  cm
28 oz / 794 g
Celestron UpClose G2 10-30x50 Zoom Porro Binocular
RM Product #: