Kenko Monocular Ultraview I 21mm aperture zoom blue 429051 7~21×21 7~21x

[Ultra compact type] Weight only 74g. Light and compact, you can easily take it anywhere. [Zooming monocular] A zoom type monocular whose magnification can be changed between 7x and 21x. It is possible to see even larger images than normal magnification. [Multi-layer coating] Adopts a multi-coat that increases light transmittance. We have ensured a brighter field of view than magenta coated products. [Adopts a twist-up eyepiece] Eye sight adjustment can be done with one touch, making it easy to adjust the eye point whether you wear glasses or not. Magnification: 7~21x