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Old 06-01-2017, 10:19 AM
Barnacle (Bill)
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Barnacle is offline
 
Join Date: Apr 2015
Location: Melbourne Victoria
Posts: 57
Do a test?

Hi Jennifer,

Thanks for the update!

Could you please shine a flashlight about 6 inches away from the eyepiece end and see the diameter of the circle projected onto the wall from the objective end?

The reason is that the 80mm binoculars range tends to be constructed and stopped down to around 70mm to improve chromatic and spherical aberrations.

Thanks.

Kind regards,

Bill
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