O P T I C      C L A S S I F I C A T I O N 
Tom  Whitney    256-6234        E-Mail

Size	Small	Medium	Large	Giant
Binocular - mm	< 50	50-90	90-120	> 120
Spotting Scope - mm	< 50	50-80	80-100	> 100
Refractor - in	< 4	4-6	6-10	> 10
Reflector - in	< 8	8-12	12-25	> 25
Field of View - Deg	Small	Medium	Large	Giant
Binocular	< 5	5.5 - 6.5	6.5 - 7.5	> 7.5
Telescope	< 3	3 - 4	4 - 5	> 5
Spotting Scope	< 5	5 - 6	6 - 7	> 7