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Diopter control - EVF - Back-screen

Started Feb 16, 2022 | Discussions thread
Sittatunga Veteran Member • Posts: 5,406
Re: Diopter control - EVF - Back-screen
1

drsnoopy wrote:

If you’r distance correction is perfect, that’s ideal for driving etc. But for your camera’s LCD screen you’ll need near vision correction - i.e. reading glasses. Either bifocals with a clear top part, or “half moon” glasses. Avoid varifocals as the intermediate section tends to produce distortion and they are more difficult to position accurately. This would also be a good solution for smartphone/tablet etc.

Cheap varifocals have very limited sizes for the reading and middle distance zones.  The very expensive ones are a lot better, with less distortion, and the distortion gets almost unnoticeable after a few weeks (at least, you get used to it). Having said that, I prefer bifocals to my top of the range varifocals if I'm using an eyepiece, though I'd rather drive in varifocals, and it's easier to see prices on supermarket shelves.  e-books are  better on a phone than on a pad with varifocals,  as I get more words in focus at the same time.  And mid- range computer screen glasses save you cricking your neck at the keyboard (any decent employer will pay for these if you need to use a computer for work).

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