I don't understand how that would affect anything, Les. Are you saying that magnification nearer to 1 would make focusing easier than having a brighter image inside the viewfinder at .87?
To be sure, you have to try it yourself but the larger the magnification the better the ability to manual focus. An obvious example is by using a magnifier as shown below.
I don't have a 35mm SLR with a Beattie screen, but I have one for my Mamiya C330F TLR. and it's two stops brighter than the standard one, the only disadvantage is for what it cost me when I bought it new I could buy another Mamiya TLR.Well ... the magnifier for my RTS is a bit cheaper than a new focus screen but it's more conspicuous than I'd like. I've looked into it before, used to use a magnifier on my Pentax 6x7 ... but i quickly learned that its only practical value is in controlled situations such as studio portraits, long-exposure tri-pod work and the like. I shoot predominantly street and documentary work. I also have no intention of abandoning my RTS system.
Still would like to hear from folks who have installed Beatties in their 35mm ... come on ... i know you're out there!
If/when I end up installing one, I will post my impressions here (for future folks like moi)
Analog power!
I have the waist-level finder, and the prism finder and it works equally well with either, but since I have used the camera successfully for about twenty five years with the three Mamiya screens I already own, and have become used to focusing with them, in retrospect although the Beattie is two stops brighter and easier to focus with in low light and it's great to use I could have put the £200 ($380 US D) to a better use.Yes ... they are pricey, Ben ... did the increased brightness make it easier to focus? Does your TLR use a waist-level finder? (forgive me if that's a stupid question; i've never used one)
Without knowing what the production cost and how hi-tech they are are it's impossible to tell what the profit margin is, but they are excellent see here http://www.morco.uk.com/latest/beattie.htm, but if you want one you have to pay the price.Wonder why they are so expensive?
Seems exorbitant to me.
For street shooting I use hyper focal distance shooting with a moderate wide angle lens then you don't need to focus or even with practice put the camera up to your eye and still get a very high proportion of in focus shots.Well ... I ordered one. Will post my impressions in a few weeks.
I'm sure I could find other places to spend the $135 USD but being able to focus quickly in any light is the prime mover for me. Contax viewfinders are reputedly very bright to begin with but I've almost never used anything else for comparison. I used a Pentax 6x7, seven or eight years ago, on which I missed focus frequently, except when I had a lot of time for set up (ie. architecture / trip-pod work) ... and I had a Pentax Spotmatic SP II just for fun, which had a dismal, dark viewfinder. In low light I always seemed to be guessing.
But my primary camera has always been a Contax and I've always had fairly good luck with focusing but for most of that time I lived in larger cities / urban areas where a guy can get away with street photographing mostly unnoticed, even if he fiddles with the focus a few extra seconds.
Now I'm living in rural midwestern America and I find that when I'm taking street photos, I need to be quicker in order not to make people uncomfortable, even if they consent to having their photos taken beforehand. Being able to slide it into sharp focus, quickly, release the shutter, and move along, is my end goal ...
I forget to mention that my Beattie screen (w/ grid & split image) threw off the F801s' meter by about -2.7 stops (!) on average. That's alright, sort of, but the deviation wasn't constant over a range of scenes (I checked against an F801 with the standard Nikon screen), which *is* bad. The split image must have been doing some non-linear messing with the meter (that I suppose is in the prism somewhere).
Fortunately it didn't cost me, otherwise I would have been pretty pissed (with myself, mostly).
ps. Sorry about your disappointment pstake. Those original screens might not be that bad after all. Pity that you found out the hard way.
How the Leicaflex SL manged to avoid such problems is a real wonder and one I'd love to hear an informed explanation for....
I never even handled an SL but a quick search suggests that its light meter is located under the mirror, as opposed to in the prism, which would explain a lot.
So would it be correct to say that a Beattie would be more appropriate for a TLR/medium format type camera than say a 35mm SLR? I recall some posts way back about the possible improvement on a Mamiya 645 Pro with a Beattie screen but it's been so long ago. I do recall the discussion where an F4 user preferred some of the specific Nikon screens over the Beattie despite the slight and noticable increase in light......I recall the person saying the split screen worked better in the Nikon screens.
Let me be specific. I have noticed my 124G is much harder to focus now a days than the one I used in 1975 (yes when it was a year or two old), the example I have (from the original owner) seems much darker and yes, I do need a CLA on it, and no I really haven't looked at the mirror hard....but does a Beattie on a 124G really make that big of a difference?
Bob E.
So would it be correct to say that a Beattie would be more appropriate for a TLR/medium format type camera than say a 35mm SLR? I recall some posts way back about the possible improvement on a Mamiya 645 Pro with a Beattie screen but it's been so long ago. I do recall the discussion where an F4 user preferred some of the specific Nikon screens over the Beattie despite the slight and noticable increase in light......I recall the person saying the split screen worked better in the Nikon screens.
Let me be specific. I have noticed my 124G is much harder to focus now a days than the one I used in 1975 (yes when it was a year or two old), the example I have (from the original owner) seems much darker and yes, I do need a CLA on it, and no I really haven't looked at the mirror hard....but does a Beattie on a 124G really make that big of a difference?
Bob E.
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