How to know what dioptric adjustment lens to get?

Started 2 months ago | Discussions thread
OP MollyMalone222 New Member • Posts: 10
Re: How to know what dioptric adjustment lens to get?

models with higher eye relief 21-24mm sllow glasses to be worn. Vs 12-15mm isnt enough to wear glasses and view through finder

I'm sorry, I don't know who I've responded to (!). Just getting the hang of this forum as I only just signed up this week.

So, I think I'm clear now on picking the -2, but what does the above part mean? I mean I know that you're saying something about distance of 21-24 mm vs 12-15 mm but where? or what is that associated with? Sorry if that's something I should know?? Like is it the thickness of the lens? or the distance the lens is from the viewfinder? or something else?

Thanks!

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