How to Start Birding: Beginning bird-watching activities, ideas, tips, and resources for kids and the adults who teach and guide them.
YBPC5 8X30 Magnification 8x Objective diameter 30mm Field of view 8° Waterproof yes Exit pupil 7mm Eye relief 18mm Focus system Eyepiece Focusing Size 22.3x7.8x16.3cm Weight 575G Product name FREE Bird Watching Binoculars Packaging and delivery Selling Units: Single item Single package size: 21....
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Adults 20x50 Compact HD High Powered Binoculars Low Light Night Vision Telescope for Hiking, Hunting and Bird Watching --- Recommended to use in good weather--- About this item 【Professional High Powered Binoculars】 Binoculars for hunting has a magnification...
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You will discover a number of excellent field guides at just about any general book store. For instance, Roger Tory Peterson, renowned naturalist of the 20th century and inventor of the modern field guide, produced indispensible books on American bird populations. The Audubon Society, working with...
12x50ED Binoculars for Adults Compact Low Light Night Vision & Day High Power for Bird Watching, Hiking, Travel About this item PREMIUM ED OBJECTIVE LENSES: Extra-Low Dispersion (ED) glass virtually eliminates chromatic aberration or col...
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landing helicopter tour bird-watching 阅读理解 正文 牛津译林版英语八年级上册 Unit 6 Bird watching 单元测试(二)B 卷 姓名:___ 班级:___ 成绩:___ 一、 单项选择。 (共 15 题;共 30 分) 1. ( 2 分) I hear there is ___panda in the zoo, and I want to take ___ bu...
Type:Bird watching binoculars;Magnification:10x;Objective diameter:42mm;Field of view:105m / 315ft.;Angle of View:5.6°;Prism System:BAK4 Prism;Exit pupil Diameter:4.2mm;Exit pupil distance:12.5mm;Coating:FMC;Material:Handwheel of metal;Type:Spotting Sc