paulmichaelsnr Posted March 31, 2011 Share #1 Posted March 31, 2011 Advertisement (gone after registration) Could some kind person tell me how I go about finding out which strength correction lens I need for the viewfinder of my M8u, please? Link to post Share on other sites More sharing options...
Advertisement Posted March 31, 2011 Posted March 31, 2011 Hi paulmichaelsnr, Take a look here M8 Correction Lenses. I'm sure you'll find what you were looking for!
andybarton Posted March 31, 2011 Share #2 Posted March 31, 2011 Have a look here http://www.l-camera-forum.com/leica-forum/customer-forum/169928-diopter-assistance.html Link to post Share on other sites More sharing options...
lct Posted March 31, 2011 Share #3 Posted March 31, 2011 I need +1 diopter correction at infinity and +1.5 diopters at 2 meters. Some people refer to the value at 2 meters, this doesn't work for me. So i chose +1 diopter +0.5 (as advised by Leica) = +1.5 diopters. Link to post Share on other sites More sharing options...
01af Posted March 31, 2011 Share #4 Posted March 31, 2011 I need +1 dpt correction at infinity and +1.5 dpt at 2 meters. Some people refer to the value at 2 meters, this doesn't work for me. So I chose 1 + 0.5 dpt [...] = +1.5 dpt. You really can contradict yourself this way without blushing? How can you say the value for 2 m didn't work for you? Link to post Share on other sites More sharing options...
lct Posted March 31, 2011 Share #5 Posted March 31, 2011 You really can contradict yourself this way without blushing? How can you say the value for 2 m didn't work for you? Sorry? If it were 2 meters i would need 1.5+0.5 = 2 diopters. Am i missing something? Link to post Share on other sites More sharing options...
01af Posted April 1, 2011 Share #6 Posted April 1, 2011 Sorry? If it were 2 meters i would need 1.5+0.5 = 2 diopters. Am I missing something? You said for 2 m you need 1.5 dpt. You also said you chose 1.5 dpt. So how can you say the diopter value for 2 m didn't work for you? Obviously it does! Link to post Share on other sites More sharing options...
Lightwrangler Posted April 1, 2011 Share #7 Posted April 1, 2011 Advertisement (gone after registration) Could some kind person tell me how I go about finding out which strength correction lens I need for the viewfinder of my M8u, please? The same correction that you need for your eyeglasses. Always round up to the next stronger correction lens if your numbers don't match exactly the lenses Leica offers. And don't get confused by all the conspiracy theories concerning diopter correction in this forum. Mike Link to post Share on other sites More sharing options...
lct Posted April 1, 2011 Share #8 Posted April 1, 2011 ....So how can you say the diopter value for 2 m didn't work for you? Obviously it does! I don't quite like your tone, sir. Please read again what i wrote above or forget me. Link to post Share on other sites More sharing options...
hoppyman Posted April 1, 2011 Share #9 Posted April 1, 2011 You want to use your distance correction as the start of your calculation, not whatever your spectacles are corrected for reading. The camera presents the virtual image as though it was 2 metres in front of the camera. That is what the in-built minus 0.5 diopter correction means. But you don't necessarily want to correct the finder back to that figure as there is more involved than that. Visit your optometrist/opthamologist and try some of their temporary test lenses with your camera. After the latest discussion thread on this, we tried to make an understandable summary of the factors involved here: http://www.l-camera-forum.com/leica-forum/customer-forum/171589-leica-camera-faqs-frequently-asked-questions.html Link to post Share on other sites More sharing options...
lct Posted April 1, 2011 Share #10 Posted April 1, 2011 Not sure if i understand all this but i need +1 diopter at infinity so i chose 1 + 0.5 = 1.5 diopter correction lens for my Ms and it works fine for me. Link to post Share on other sites More sharing options...
01af Posted April 1, 2011 Share #11 Posted April 1, 2011 Not sure if i understand all this ... I don't either. It's rather confusing and not very helpful. Not what I'd expect to find in a FAQ. ... but i need +1 diopter at infinity so I chose 1 + 0.5 = 1.5 diopter correction lens for my Ms and it works fine for me. Sure it does. Because your diopter value for infinity plus 0.5 dpt is your diopter value for 2 m. Link to post Share on other sites More sharing options...
andybarton Posted April 1, 2011 Share #12 Posted April 1, 2011 I don't either. It's rather confusing and not very helpful. Not what I'd expect to find in a FAQ. Perhaps you'd like to contribute a better version? Link to post Share on other sites More sharing options...
jaapv Posted April 1, 2011 Share #13 Posted April 1, 2011 I don't either. It's rather confusing and not very helpful. Not what I'd expect to find in a FAQ. Answer: The short answer is that it is best to try different diopter corrections with your camera to see what suits you personally. An Opthamologist/Optometrist or spectacles retail outlet should be able to assist. You should be able to look through your camera with a range of temporary lenses as used to determine spectacles prescriptions. I cannot see much ambiguity here. Link to post Share on other sites More sharing options...
hoppyman Posted April 1, 2011 Share #14 Posted April 1, 2011 O1af, this FAQ, like the M9 one, is open for contributions by anyone. Any clarification, especially with some authoritative references, would be welcomed. It is a complex and confusing issue. I don't either. It's rather confusing and not very helpful. Not what I'd expect to find in a FAQ. . Link to post Share on other sites More sharing options...
scsambrook Posted April 1, 2011 Share #15 Posted April 1, 2011 Having struggled with this issue, I can confirm that the best way to get the correct answer for oneself is to take your camera to visit your optician. Mine was interested and happy to help. Even the opticians who use those wonderful automated devices that look like a submarine periscope still have the individual lenses to use with children who are too small to use the "periscope". Link to post Share on other sites More sharing options...
paulmichaelsnr Posted April 23, 2011 Author Share #16 Posted April 23, 2011 Thank you, driends. I read all you said, talked to the optician and then went and talked to Ffordes who let me try a munber of correction lenses. +3 was the answer. Thanks again. Link to post Share on other sites More sharing options...
paulmichaelsnr Posted April 23, 2011 Author Share #17 Posted April 23, 2011 'driends' = 'friends'. I have to post this because 'driends' might means something terrible in someone's language and I wouldn't want to offend. Link to post Share on other sites More sharing options...
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