LEICA 12x50 Ultravid HD-Plus Binoculars - Manual (Page 25)

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english
technicaL data
Leica uLtraVid Leica uLtraVid Leica uLtraVid Leica uLtraVid
10x42hd/BL 8x50hd 10x50hd 12x50hd
magnification 10x 8x 10x 12x
Lens diameter 42mm 50mm 50mm 50mm
exit pupil 4.2mm 6.25mm 5mm 4.2mm
twilight factor 20.5 20 22.36 24.5
geometric light value 17.64 39.06 25 17.64
field of view 110m/1000m 115m/1000m 115m/1000m 100m/1000m
6.3° (wide­angle) 6.6° 6.6° (wide­angle) 5.7° (wide­angle)
close focusing limit approx. 2.95m approx. 3.60m approx. 3.35m approx. 3.25m
(at 0 dioptr.)
exit pupil longitudinal 15.8mm 18.1mm 14.6mm 13.2mm
distance
eyebase
56­74mm 58­74mm 58­74mm 58­74mm
type of prism Roof
coating
on lenses High Durable Coating (HDC™) and hydrophobic AquaDura coating on outer lens surfaces
on prisms High Lux System (HLS™) and phase correction coating P40
diopter compensation ±4 Dioptr.
operating temperature ­25° to +55°
storage temperature ­40° to +85°
waterproofing 0.5 bar (up to approx. 5m water depth)
housing Magnesium housing with titanium axle / HD models rubber­armored
dimensions (w 1 x h 2 x d 1 ) 121x67x147mm (HD) 125x70x183mm 125x70x178mm 125x70x183mm
121x63x146mm (BL)
weight approx. 765g/695g (HD/BL) approx. 1010g approx. 1010g approx. 1050g
1 With eyebase set to 65mm
2 With eyecups screwed in