Objective diameter:  20 mm
Magnification:    4x
Exit pupil:     5.0 mm
Usable eye relief (measured from rim of eyecup): 17 mm
IPD:  54 – 72  mm
RFOV:    10 degrees =  175 m / 1000m
AFOV: 40 degrees (approx.)
Minimum focus distance (acc. to spec.): 0.5 m
Waterproof: yes
Weight (measured, with strap):  357 g
Made in: China

 

Remarks:

Since 2020 on the market is the small Pentax VD 4×20, which offers a number of special features. Beside being a fully multi-coated low magnification pocket binocular with good optics (including phase coating) and mechanics, the detachable construction offers the possibility to separate the two tubes in a single motion and to use them individually as two 4×20 monoculars. Moreover, the two separated tubes can also be connected “head on tail” which results in a small 16×20 telescope. {{ to be updated }}


Rating:

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Review:

A brief initial review can be found here (in German):
https://www.juelich-bonn.com/jForum/read.php?9,450229,450242#msg-450242

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