Fujinon 10×70 FMT-SX2

Specifications:

Objective diameter:  70 mm
Magnification:  10x
Exit pupil: 7 mm
Eye relief (acc. to spec): 23 mm
Usable eye relief (mesured from folded eyecup): 14mm
IPD:  56 – 74 mm
RFOV:  5.3  degrees = 93 m
AFOV (measured, rounded):   50 degrees
Minimum focus distance (estimate): ca. 16 m
Focus type:  IF
Range of diopter adjustment (estimate): +/- 5.5 dpt
Excess travel of focus wheel beyond infinity position (estimate): 5.5 dpt
Prism system:  Porro I
Waterproof: yes
Weight (measured, with eyepiece cover and strap): 1‘170 g
Made in: Japan

Remarks:

10×70 means: 10x magnification AND an exit pupil of 7mm – therefore brighter than the common 10×50 binocular, but also considerably larger in size and heavier. A fabulous observation tool, best used mounted on tripod. For astronomy, ideally to be used under a very dark sky, otherwise if your sky background is too bright, you actually would be better off with a 10×50. Only a small number of binoculars in configuration 10×70 / 10.5×70 / 11×70 are on the market today; this is one of the best. It is unfortunately not produced anymore.

See the smaller models, 7×50 and 10×50, in separate posts https://binocular.ch/fujinon-10×50-fmt-sx2/ and  https://binocular.ch/fujinon-7×50-fmt-sx2/ .

See the 16×70 model at https://binocular.ch/fujinon-16×70-fmt-sx2/

see also separate posts „Nikon 10×70 IF HP WP“, https://binocular.ch/nikon-10×70-if-hp-wp/ and „Nikon 10×70 IF SP WP“, https://binocular.ch/nikon-10×70-if-sp-wp/

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