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BARSKA Colorado 10-30x50 Monocular AA13742

SKU CH-XR42-TKY6Z

A variable 10-30x zoom monocular with a 50mm objective, fully coated BK-7 optics, twist-up eyecups offering 14-22mm eye relief, and a tripod-adaptable rubber-armoured body

  • Part type or numberAA13742
  • AccessoryMounts & Tripods
  • Eyepiece lensTwist-up eyecups and adjustable eye relief (compatible with
  • Field of view38.1 degrees
  • Objective lens50 mm
  • Overall magnification30 multiplier x
  • Zoom magnification 10–30× for versatile viewing range
  • 50 mm objective lens gathers ample light for bright images
  • Fully coated optics maximise light transmission for clearer views
  • Twist-up eyecups with 14–22 mm eye relief suit eyeglass wearers
  • Tripod-adaptable socket enables stable hands-free observation

Compact monocular for outdoor observation

The BARSKA Colorado AA13742 is a 10-30x50 zoom monocular built for handheld use in the field. Variable magnification from 10x to 30x lets you scan wide or zoom in on distant detail. A 50 mm objective lens gathers light for bright images in changing conditions. Fully coated BK-7 prisms and twist-up eyecups with 14-22 mm eye relief support comfortable viewing with or without glasses.

Suits walkers and event-goers needing one-handed

This monocular fits users who want a single optic for birding, hiking, sports or concerts without carrying a full spotting scope. The centre focus knob operates with one hand and the rubber armour provides a secure grip in wet or cold weather. A built-in tripod socket adds stability for extended watches. Buyers who need wider fields at high power, larger exit pupils for low light, or waterproof and fogproof construction should look at other designs.

10-30x variable magnification range

The zoom spans 10x to 30x, altering field of view from 217 ft to 161 ft at 1000 yds and exit pupil from 2.6 mm to 1.2 mm. Close focus reaches 26.2 ft. This range decides whether the optic matches your typical viewing distance and light conditions. Check those figures against your intended use before buying.

How it compares

Measured against everything we stock in Binoculars, Scopes & Sights, at today’s prices. Recalculated every night.

Price $55.99
Cheaper than about 62% of the 1,401 comparable items (median $93.99).

Specifications

Product
Brand nameBARSKA
Model nameAA13742
Part numberAA13742
Part type or numberAA13742
Product typeStandard
Product colorBlack
Audio & video
Field of view38.1 degrees
Size & build
Size or dimensions2.75 in × 2.87 in × 7.5 in
Compatibility
Compatible withTripods
In the box
AccessoryMounts & Tripods
More details
Eyepiece lensTwist-up eyecups and adjustable eye relief (compatible with eyeglasses)
Objective lens50 mm
Overall magnification30 multiplier x

Questions about this item

How does the 10-30x zoom range perform when I am actually using it outdoors?

The variable 10x to 30x magnification lets you scan wide at 10x with a 217 ft field of view at 1000 yds, then zoom to 30x for detail where the view narrows to 161 ft at 1000 yds.

What does the 50 mm objective lens mean for brightness and low-light use?

A 50 mm objective paired with fully coated optics and BK-7 prism gathers ample light; exit pupil ranges from 2.6 mm at 10x down to 1.2 mm at 30x, so images stay bright at lower powers but dim as you zoom in.

What physical space and mounting does the monocular need for tripod use?

The unit measures 2.75 x 2.87 x 7.5 in and has a built-in tripod socket, allowing direct attachment to any standard tripod for stable, hands-free viewing.

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