Simon, I often pull my glasses off in frustration and stick them in my shirt pocket. Then I really can't see the LCD.
With me it is trying to shoot birds. Even with a single focus point, tree branches and leaves can throw off the auto focus. At 500mm it doesn't take much to blur the shot slightly.
I will also do what you suggested with sunset shots, which I have been practicing. (We are going to Michigan on vacation and I want to try and get some sunset shots on the lakes. Will only have one chance. So I am trying to work out the bugs locally.)
Anyway, with sunset shots, the camera has to refocus every time I hit the remote button. So, I will let it focus then go manual. I have tried both LCD and TTL focusing but find it hard to see detail in the bright light and glare.
Oh for the days when I was a young pilot with hawk like eyes!!!!
Reading glasses are such a pain. I'm in glasses (or multifocal contacts) full time now, but when I was using reading glasses, I usually clenched one of the temples in my teeth and used the diopter adjustment to look through the viewfinder without the glasses. It wasn't a conscious decision, I just found myself doing that all the time.
Now, I just leave my glasses on and cram them against the viewfinder.
I have needed glasses for distance viewing since the 5th grade. But as many, I am now age appropriate visually challenged and need reading glasses also. My regular glasses are progressive lenses, but I do have separate reading glasses.
But I find the camera diopter adjustment and bare eye work well for me and I have no trouble manually focusing with my prior D80, and now the D7000. The only problem I had was that I passed the D80 onto the grand-daughter, who does not wear glasses. So I then had to try and re-adjust the diopter back to neutral for her.
I seem to remember that the viewfinder image is "formed" at a distance of 1 meter, and that the eyepoint relief is 19.5mm. Useful info for a photographer to give to his/her optometrist when getting glasses.
I wear progressive lenses and don't have a problem as long as I press my glasses to the viewfinder (I actually keep a pair just for photography).
While I too am a senior and have to rely on glasses, I either use auto focus or hyperperfocal focus and have no problems. I am lucky that I have no problems using glasses and looking through the viewfinder.
If I were going to use manual focus I would set up my camera on a tripod and let it auto focus on something that would be an easy target. Once you are sure you have obtained focus, set the diopter until it looks in focus to your eye. That way you are now seeing the same as the camera.
If I were trying to take a photo of a lake and sunset, I would just use hyperfocal distance.
Jerry Jaynes Great Smoky Mountains of North Carolina
Fri 01-Apr-11 06:16 PM | edited Fri 01-Apr-11 06:17 PM by Len Shepherd
I use what are called varifocal in the UK - all the time. This enables me to read a car number plate at 150 feet and (using the camera dioptic control) to see distant objects through the viewfinder as sharp. The reading part of the glasses is right for reading menus at any viewing distance I choose. That said sharpness is not easy to visually judge accurate through the viewfinder at 12mm f4 on DX with distant subjects - occasionally the viewfinder focus confirmation light can help. If you use LiveView and a tripod zooming in on the rear screen can work well with reading glasses. Digressing I can only see clearly through 1 eye and have needed eyeglasses for my good eye for about 50 years. I get my eyes checked every year - and I know I can see a lot more detail more clearly than most people of my age When I was 14 I was told I would never need spectacles again - when I started university at 18 I had to move to the front row to read the chalkboard notes. Many older people would be amazed how much better there eyesight might be with current eyeglasses - in the UK the standard eye test fee is about $16 - or free from age 60 - getting a check up costs very little.
Photography is a bit like archery. A technically better camera, lens or arrow may not hit the target as often as it could if the photographer or archer does not practice enough.
This is how I set diopter while looking thur the viewfinder I adjust the diopter first by looking at the info bar that comes up when half pressing the shutter. Adjust the diopter while these number are visible until they are in perfect focus. I can see halos around the letters and numbers when they are out of focus, yet disappears when in focus.
I have also used a test chart as close as I can get the camera to focus on it. And while in manual mode use live view and zoom in using the + button all the way and turn the focus ring to set focus. Then you can turn off live view and look thur the view finder and while half pressing the shutter see if the green dot on the left on the info bar under the image is on and not blinking. If it is not blinking and solid green you can then adjust your diopter to make the image look focused. You are now dialed in. If you did this with your glasses on then of course you always need wear your glasses and so on. A tripod is a must for setting up correctly. Don
Sun 03-Apr-11 08:47 AM | edited Sun 03-Apr-11 09:42 AM by briantilley
Hi all, I had exactly the same problem as many of you with my new D300s. On 12th Feb I posted a 100% perfect solution to this problem to the D300 Forum, under the heading "Adjusting Viewfinder vision"
Whilst I am uncertain as to whether the D7000 and the D300s share a common viewfinder, the corresponding Nikon components are easy to identify and order from any Nikon agent. I have not used eyeglasses with my camera since making the changes described in my post. Sorry I don't know how to link the two posts but a simple search on the D300 forum will show the answer.
Edited to add...
The thread that David refers to may be found here.