- Leisure
- Games
- SEE MORE
- classical
- general
- talk
- News
- Family
- Bürgerfunk
- pop
- Islam
- soul
- jazz
- Comedy
- humor
- wissenschaft
- opera
- baroque
- gesellschaft
- theater
- Local
- alternative
- electro
- rock
- rap
- lifestyle
- Music
- como
- RNE
- ballads
- greek
- Buddhism
- deportes
- christian
- Technology
- piano
- djs
- Dance
- dutch
- flamenco
- social
- hope
- christian rock
- academia
- afrique
- Business
- musique
- ελληνική-μουσική
- religion
- World radio
- Zarzuela
- travel
- World
- NFL
- media
- Art
- public
- Sports
- Gospel
- st.
- baptist
- Leisure
- Kids & Family
- musical
- club
- Culture
- Health & Fitness
- True Crime
- Fiction
- children
- Society & Culture
- TV & Film
- gold
- kunst
- música
- gay
- Natural
- a
- francais
- bach
- economics
- kultur
- evangelical
- tech
- Opinion
- Government
- gaming
- College
- technik
- History
- Jesus
- Health
- movies
- radio
- services
- Church
- podcast
- Education
- international
- Transportation
- Other
- kids
- podcasts
- philadelphia
- Noticias
- love
- sport
- Salud
- film
- and
- 4chan
- Disco
- Stories
- fashion
- Arts
- interviews
- hardstyle
- entertainment
- humour
- medieval
- literature
- alma
- Cultura
- video
- TV
- Science
- en
Episode 41: The Past, Present, and Future of Birding Optics
b'Host Bill Thompson, III, interviews Stephen Ingraham, optics specialist from Carl Zeiss Sports Optics, about technology, photography, the Internet, and how he became known as an optics expert.'