大口径系列观景望远镜是边防哨所、森林、草原防火、航运、渔业等各种远距离观察活动的良好助手，还适用于旅游景点，高层建筑、家庭露台上观赏景物。
series large diameter viewing binoculars are good assistant in long range observation activity, such as frontier defense, forest and grassland fire proofing, shipping, fishery. they are also suitable for sightseeing in scenic spots and viewing on high buildings and balcony.
投币式大口径观景望远镜系列性能参数
table of specification for large diameter coin binoculars
wtb25×100
◆镜身材料／material of the host：超硬合金铝／extra-hard aluminium alloy
◆气密性／tightness：全防水／water proof
◆放大倍率／magnification：25x
◆光学镀膜／optical coating： 宽带膜或蓝膜／broad band coating or blue coating
◆视场／field of view： 2°30′
◆物镜孔径／objective diameter： 100mm
◆视度范围／eyepiece diopter range：-0.75 屈光度/ diopter
◆出瞳直径／exit pupil diameter： 4mm
◆出瞳距离／exit pupil distance： 14mm
◆分辨率／resolution： ≤2.4″
◆目距范围／interpupillary distance： 58-72mm
◆重量／weight：84 kgs
◆主机外形尺寸(mm) ／dimension of main body（lxwxh）：605×250×325
◆整机高度／height of complete device：1.5m
◆观察时间／viewing time： 观察时间可任意设定/time setting: 1minute to infinity
◆使用硬种／used coins：可设定多种硬币(直径:18~31mm、厚度: 1.2~3.0mm)
different metal coins can be set. diameter:18mm~31mm, thickness:1.2mm~3.0mm
◆交流电电压适用范围／ac power supply：85v~265v
◆电池／battery：可充电大容量锂电池／chargeable lithium battery with big capacity
◆搜寻旋转角度／azimuth angle：315°
◆俯仰角度／elevation angle ：90°

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云南云奥光电有限公司
罗艳
13769102457
云南省昆明市西山区海口镇