1 시즌
24 삽화
The National Geographic Guide to Birding in North America - Season 1 Episode 6 에피소드 6
This lecture discusses the core optical tools that aid us in observing birds in the field. Study the parts of a pair of binoculars, and the pros and cons of different types of binoculars. Learn how to use binoculars for birding, highlighting matters such as magnification, field of view, and depth of field. Also take account of spotting scopes, and how they provide detail that binoculars can't.
- 년: 2017
- 국가: United States of America
- 유형: Documentary
- 사진관: Wonderium, The Great Courses
- 예어: natural history, birding, educational, guide, science
- 감독: James Currie
- 캐스트: James Currie
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