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Author Topic: leaf 65s  (Read 1939 times)
wolfbellw.
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« on: January 17, 2009, 02:07:30 PM »
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After the recent huge drop of medium format prices I bought a mamiya adf III in combination with a leaf 65s for a pretty reasonable price. I love the camera as I loved my old 645 af that kept going for at least 7 years without any problem.
I wouldnít call the lenses - that I had already - mindblowing but they are fine and donít have to fear the comparison with products of other companies.
The back does a great job as long as light conditions are fine and the files are well exposed.
What irritates me is the amount of noise that often appears in darker areas that donít get much light and here I am definitely not complaining about a tiny bit of noise that hardly appears at 100%.
In a rather contrasty image i would call it almost cloggy and it needs a huge amount of filtering to bring it down to a still hardly acceptable look, definitely for the price of loss of detail.
Night shots look terrible noisy in certain areas and my old canon 5d actually does a better job in a exposure range of about 5 seconds. Three is a lot of talk about better dr of medium format backs. I am definitely not sure if that is true at least in a night shot. I found the canon better in tricky light situations and thatís quite disappointing to find out.  Is there anybody out there who has some experience with the leaf back?
Even though leaf provides software I found that adobe raw converter still works better, specially when it comes to noise and definitely when it comes to speed.

www.wolfgang-bellwinkel.com
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asf
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« Reply #1 on: January 17, 2009, 02:55:35 PM »
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the "s" series can be a bit noisy for longer exposures compared to the non-s backs
the "clean long exposure" setting works well for this
if you do a lot of 5 sec+ exposures you may want to see about using a regular 65 instead
or try shooting files at the back's native asa setting and see if that helps
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ddk
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« Reply #2 on: January 17, 2009, 05:44:02 PM »
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Quote from: asf
the "s" series can be a bit noisy for longer exposures compared to the non-s backs
the "clean long exposure" setting works well for this
if you do a lot of 5 sec+ exposures you may want to see about using a regular 65 instead
or try shooting files at the back's native asa setting and see if that helps

I'm sorry but what you're saying doesn't make sense. From what I understand, in every case its the same chip with the same electronics just a bigger buffer and you're converting the files with same software.
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david
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asf
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« Reply #3 on: January 17, 2009, 09:46:52 PM »
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ask the leaf people if what i'm saying is wrong
i got my info from them and from using s series backs and regular non-s series backs
my experience matches what i was told, and i repeated it here
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ddk
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« Reply #4 on: January 17, 2009, 11:05:42 PM »
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Quote from: asf
ask the leaf people if what i'm saying is wrong
i got my info from them and from using s series backs and regular non-s series backs
my experience matches what i was told, and i repeated it here

I have to check this, I got a 75s and an Aptus 22, I haven't really noticed a big difference in noise levels between the two, at least nothing noticeable. I'll need to run some controlled tests now.
« Last Edit: January 17, 2009, 11:06:56 PM by ddk » Logged

david
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