MonoZoom™ Monocular

MSRP: $44.00
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  • Zoom 7x to 21x
  • Fully coated optics
  • Bright, sharp, clear
  • Durable housing
  • Just 2.6 oz (73 g)


When in unfamiliar territory and you need to identify the trail ahead or potential obstructions to avoid unnecessary trekking or even seek out a spot to camp or water feature in the distance, a lightweight monocular saves the day without weighing you down.

MonoZoom™ is a compact 7x to 21x powerful zoom monocular. A large 21 mm objective lens, BAK-4 prism, and fully coated optics deliver a bright, sharp, and crystal-clear view. While this monocular comes in at just 2.6 oz (73 g), it has a sturdy and durable outer housing. The monocular also includes a lens cap, neck strap, and case. And we throw in a special red lens cap for the eyepiece end.

Dial the zoom with one hand, then focus with the other. Lower magnifications offer a brighter image, wider field of view, and a larger depth of focus, while the highest magnifications will be a little dimmer, narrower field of view, and have more sensitive focus. The eye cup is adjustable for use with or without glasses. There’s even a ¼-20 female thread for mounting on a tripod.




Model: Carson Optical ZM-721

Zoom Magnification: 7x to 21x

Objective Lens Diameter: 21 mm

Angle of View

     7x: 2.9° actual

     21x: 2.3° actual

Field of View

     7x: 252 ft at 1000 yd (84 m at 1000 m)

     21x: 120 ft at 1000 yd (40 m at 1000 m)

Exit Pupil Diameter

     7x: 3 mm

     21x: 1 mm

Eye Relief

     7x: 12.5 mm

     21x: 9 mm

Dimensions (Dia x L): ø1.39 x 4 in. (ø35.2 x 102 mm)


     Monocular: 2.6 oz (73 g)

     Monocular w/Lens Caps: 2.79 oz (79 g)

     Neck Strap: 0.13 oz (3.7 g)

     Case: 0.78 oz (22.2 g)

Includes: Monocular, 2x Lens Caps, Neck Strap, Case, Cleaning Cloth


User Manual

MonoZoom Monocular User Manual