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Spotting scope calculations?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/28/2012 at 12:27
masterarcher View Drop Down
Optics GrassHopper
Optics GrassHopper

Joined: July/28/2012
Location: hampshire
Status: Offline
Points: 2
New to this forum, I have done a search but cannot find out if the there is a calculation equation to work out the spotting scope required for distance and size.
I do Target Air Pistol shotting and wanted to know what Spotting scope I would need to get a full view of a 17cm square target at 10 metres.
If anyone knows the size needed can some recommend a spotting scope that will do the job I need.
Thanks for any feedback / advice.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/28/2012 at 19:00
Shenko View Drop Down
Optics Apprentice
Optics Apprentice

Joined: April/20/2008
Location: WA
Status: Offline
Points: 242
Scope manufacturers list field of view as (feet per 1000 yards) or (meters per 1000 meters.) You need a field of view of more than 51 feet per 1000 yards, or more than 17 meters per 1000 meters. You also need a close focus of under 10 meters.
There are lots of scopes that fit your requirements.

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