There is a small knob on the top right of the viewfinder that allows you to
adjust the focus of the viewfinder. It sounds like you need to use your
glasses generally (not just for reading), so with your glasses on adjust the
little knob until what you see through the viewfinder is in focus. I should
have mentioned that you should remove the additional dioptric adjustment.
Now you should be able to use your camera with your glasses on.
Paul Dodd
Docklands, Victoria
-----Original Message-----
From: Birding-Aus On Behalf Of
Lyn Saint
Sent: Saturday, 16 July 2016 12:21 PM
To:
Subject: Glasses or not ......
Hi Everyone,
I have a bit of a quandary at the moment. I have acquired a Sigma 100-400 mm
lens for my Canon 7D and often find it difficult to determine if the bird is
in focus or not. I can't see clearly enough through the lens.
I have glasses but have also purchased and am using a dioptric adjustment.
This is good but annoying as I need to have my glasses on to find the bird
and then have to whip them off to focus though the lens.
For those of you who have this issue with glasses, do you have any advise on
this issue?
Frustrated,
Lyn
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