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01-03-2010, 01:58 PM   #1
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K55/1.8 vs Nokton 58/1.4 ideas?

Hi,

anybody happened to compare Voigtlander Nokton 58/1.4 with SMC Pentax 55/1.8 (or SMC Takumar 55/1.8)?

Any links or help will be appreciated.

BR
Peter

01-03-2010, 05:40 PM   #2
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Check this out.

Courtesy of Blende8, it is his site and test.

Voigtländer Nokton 58/1.4 and Pentax 50mm lenses
01-03-2010, 07:39 PM   #3
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I used to own the K55/1.8. Now I own the CV58/1.4 SLII. While the K55/1.8 is a great lens for its market price, IMHO the CV58/1.4 SLII wins hand down in IQ, sharpness in all apertures, build and is an "A" lens at that. My shots using the CV58/1.4 SLII are just so much cleaner and sharper

Oh, as an after thought, I also consider the CV58/1,4 SLII better (in IQ, build and sharpness) than the FA50/1.4, which I also used to own. The DA*55/1.4 only beats out the CV58/1.4 SLII at f4. Other than that, the CV58/1.4 SLII competes head on to the DA*55/1.4. Of course the CV58/1.4 SLII is only MF.
01-03-2010, 10:25 PM   #4
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One of these days, I may very well retire most of my stable of 50s (about 10 lenses at last count) in favor of the CV 58/1.4. I have been thoroughly impressed with the photos I have seen and am very fond of the 58mm focal length based on my exposure to the Helios 44M.

Steve

(Assuming that it a better lens than the Helios...)

01-03-2010, 11:34 PM   #5
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If you can stand MF Peter, the 58, I would say the Nokton is like a MF 77LTD (different FL obviously)
01-04-2010, 10:54 AM   #6
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I had the Nokton. It was a great lens, but I found it very difficult to focus accurately. Not a defect, just a characteristic. (Not a defect of the lens anyway. Aging eyes is another story.)
01-04-2010, 01:24 PM   #7
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QuoteOriginally posted by Parallax Quote
I had the Nokton. It was a great lens, but I found it very difficult to focus accurately. Not a defect, just a characteristic. (Not a defect of the lens anyway. Aging eyes is another story.)
I just got me a 2x Right Angle finder, problem solved. I only ever had a problem wide open though before.
01-04-2010, 03:16 PM   #8
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I would suggest replacing the stock focusing screen with something like the Nikon K-3 screen to properly focus manually not just with the Nokton but any other manual focus lens. The stock screen is not precise enough for fast critical focus imo. Close focusing... thin DOF... slight breeze and you will miss focus, guaranteed.
That said, the 58mm f/1.4 Nokton is something special...



01-04-2010, 03:52 PM   #9
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my apologies for highjacking the thread for a second but if you change the focusing screen it will not effect autofocus ability at all is that right?
01-04-2010, 04:32 PM   #10
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I have used the focusing screens from focusingscreen.com on my K20D and K-7 and there are no issues with the camera's ability to AF. With some focusing screens, exposure accuracy in the different metering modes might be affected but I have had no problems using the cut down to size Nikon K-3 screen, better and brighter than the Canon Ec screen.
01-04-2010, 05:48 PM   #11
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QuoteOriginally posted by gokenin Quote
my apologies for highjacking the thread for a second but if you change the focusing screen it will not effect autofocus ability at all is that right?
You are correct...AF uses a completely different light path. The sensor is in the bottom of the mirror box.

Steve
01-04-2010, 05:59 PM   #12
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QuoteOriginally posted by Parallax Quote
I had the Nokton. It was a great lens, but I found it very difficult to focus accurately. Not a defect, just a characteristic. (Not a defect of the lens anyway. Aging eyes is another story.)
I may have been lucky, since the unit I got focuses very accurately using the Focus Assist light/beep in my K200D, even wide open. In fact, when Doc Mark (Dimo) played around with my unit, he validated that the lens is sharper when using the Focus Assist lamp as a guide than when using his eyesight.
01-04-2010, 07:37 PM   #13
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Nokton is low on contrast wide open, background bokeh is not so good with specular highlights. However, Nokton blurrs everything else nicely.

Nokton works well for night time photography wide open in infinity. A very capable lens.
01-04-2010, 08:07 PM   #14
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QuoteOriginally posted by roentarre Quote
Nokton is low on contrast wide open, background bokeh is not so good with specular highlights. However, Nokton blurrs everything else nicely.

Nokton works well for night time photography wide open in infinity. A very capable lens.
Preferred levels of contrast and bokeh are subjective. I believe it's all a matter of "gusto". Come to think of it, most fast lenses have relatively lower contrast wide open.

Contrast levels for me is very acceptable wide open, much better than the FA50/1.4. I also like the unique bokeh. Some samples wide open...





01-04-2010, 08:15 PM   #15
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make the K55 a f1.4 speed and we got ourselves a clear runaway winner.
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