Objective diameter:  42 mm
Magnification:  10 x
Exit pupil: 4.2 mm
Eye relief (acc. to spec): 19 mm
IPD:  57 – 75 mm
RFOV:  6.5  degrees = 114 m
Focus type:  CF
Prism system:  Schmidt-Pechan
Waterproof: yes
Weight (measured, with eyepiece cover and strap): 883 g
Made in: China



The Vanguard Endeavor IV is a typical example of today’s China made middle class binoculars sold by many US and European brands. Although featuring ED glass, it still exhibits quite a bit of CA as soon as you move your eyes slightly off-center. The size of the FOV is quite good; sharpness / contrast / brightness / stray-light control are okay, but nothing extraordinary. For the same prize, some other similar binoculars perform better optically (e.g. Bushnell Forge), some worse. Mechanically, the Endeavor can be rated average.



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