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May 18th, 2010, 06:57 PM
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I just want to confirm that the PL25 autofocuses fine on a G1 (and of course any other µ4/3 camera but a G1 is what I have here). The AF motor is not humming as the G20/1.7 does but works with a higher pitch and is more audible, or even a bit noisy. AF speed is fine in my opinion. It is a little slower than the G20 but not by much. It focuses a tad better, as in reliable, in low light (tried with medium contrasty stuff in light at EV2).
Manual focusing feels better with the PL25 thanks to the bigger focusing ring.
"Sharpness"... in the center it is pretty much the same as a good copy of the G20 lens. Borders shows more of lateral CA (raw, ACR) than the G20.
The PL25 offers less flare and less of the halos around highlights compared to the G20. (But the PL 25 is still not stellar, when it comes to flare resistance).
Somewhat warmer colors than the G20 (doesn't matter of course).
Better bokeh (personal opinion) and better, more pleasing overall rendering and transitions.
When used with a Panasonic camera the PL25 offers far better ergonomics than the G20. It's a relief being able to use A mode, set the aperture using the aperture ring and the wheel on the camera for exposure compensation only.
Size, weight and price... for me the ergonomics and bokeh is enough to justify the price difference. YMMV. When traveling I use the G20 and the G1 plus G20 combo ergonomics is a pain for me.
@Bokeh D; that's a great price for a great lens!
my cents,
Jonas
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May 19th, 2010, 03:44 AM
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I've been trying to find one in stock in the UK for several weeks - anyone got any ideas?
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May 19th, 2010, 08:23 AM
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Pete,
I usually check the German prices when wanting to buy a lens, new, from a dealer. Panasonic Sweden wants about 50% more for the PL25 than the German dealers and they refuse to even discuss the price ("It's a Leica lens, what do you expect?" "Yeah, sure, since when does Leica mark their lenses Panasonic and make them in Japan?" "---")
You can try Foto Mundus in Meppen for example, their service is good also if they aren't the bottom cheapest one ( German price hunter).
Are you sure? The lens isn't exactly small on a µ4/3 camera.
kind regards,
/Jonas
G20/1.7 at f/2, PL25/1.4 at f/2 (both images taken at the equivalent distance from the subject)
and the lens on a G1 with the original hood overlayed onto a better solution
Last edited by Jonas B; June 20th, 2010 at 10:54 AM.
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May 19th, 2010, 09:18 AM
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Member
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Join Date: Apr 2010
Location: Auckland, New Zealand
Posts: 192
hmpws's Gallery
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Jonas: How come the background of the images looks different? Is that to do with characteristic of the lens? (I was under the impression that they should capture the same background)
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May 19th, 2010, 02:02 PM
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Quote:
Originally Posted by hmpws
Jonas: How come the background of the images looks different? Is that to do with characteristic of the lens? (I was under the impression that they should capture the same background)
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Hi,
But why are you under that impression?
You can think about it in different ways: The two images are taken at different distances from the focal plane. The focal plane is at the metal ruler going across the image. The shooting distance(s) are adjusted so the image barely covers the Christmas tree decorations at the ends. The 20mm is wider than the 25 and so I had to be a bit closer when using the 20.
As the 20 is wider it has to see more, a wider field of view, than the 25. That is like sitting in a theatre close to the stage and look a little behind the curtains at the sides. You see more behind the curtains the closer to the stage you are.
You can also take a sheet of paper and make a simple drawing. Make a lens symbol to the left and something indicating my ruler with stuff on it in the center. Now draw two lines from the lens touching the ends of the symbol for the ruler and extend these lines to the right edge of the paper. At the right you see the are covered by the 25mm lens.
Now make another lens symbol a bit closer to the ruler symbol and again draw the two lines. At the right you see what area is covered by the 20mm lens.
The ruler is always depicted the same size as the shooting distance is adjusted for the lens' enlarging capabilities. That's the same as we are moving a bit to cover... let's say two friends standing in front of us and we want to take a head and shoulder image of them. With the 20 we are a bit closer to cover the scene, with the 25 we step back (increasing the distance with 25% in this case) and get the same shot. The backgrounds will differ in the same was as in the images above.
I hope this makes some sense and explain what you see in the images,
regards,
/Jonas
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May 20th, 2010, 05:24 AM
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Member
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Join Date: Apr 2010
Location: Auckland, New Zealand
Posts: 192
hmpws's Gallery
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Yes, of course..! I clearly wasn't thinking...
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May 20th, 2010, 12:45 PM
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Quote:
Originally Posted by hmpws
Yes, of course..! I clearly wasn't thinking...
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Ah, that is something I also haven't done several times...
But, I wonder what happened to the thread starter and pete t.
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May 20th, 2010, 01:39 PM
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Quote:
Originally Posted by Jonas B
But, I wonder what happened to the thread starter and pete t.
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I've been out taking pictures
It is exactly those characteristics that make me want that lens - largely for portrait work. I realise its not a tiny lens (I use the Pana 20 when I want tiny) but the effect is what I'm after. I got very used to the 50mm f1.4 on my Canon and have used a 50mm f1.4 Leica Summilux and just loved the shallow depth of field and unique draw of the lens. Yes I know this one is different but the images I've seen in this forum and elsewhere mark that as a lens I would love to add to my inventory.
Maybe, just maybe Panasonic/Leica have decided to make a m4/3 25mm f1.4 Summilux making this one discontinued and hard to find. Probably too much to hope for.
Pete
Last edited by pete_t; May 20th, 2010 at 01:41 PM.
Reason: spelling mistake!
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May 20th, 2010, 05:46 PM
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Quote:
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I've been out taking pictures...
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I wish I had been out doing the same.
I have attached two more images, following the same idea as in my previous example, taken and posted here only because of the whirry background making any photographer concerned (and looking for another background of course).
In many situations there is a real difference between the PL25/1.4 and the G20/1.7, while in other situations the PL25 represents extra weight only.
During the winter and spring I have noticed that I nearly always reach for the 25/1.4 when loading my bag, leaving the 20/1.7 at home despite being at least as sharp and smaller and easier to carry. I started to wonder why, thinking in a more active way about it, noticing those saying they sold the Panasonic 25/1.4 as the 20mm pancake is so good.
I found it is about handling (easy to describe) and the feeling of using the bigger and more sturdy lens (easy to understand). Then I, inevitable, also noticed the small differences in drawing style and the differences following by the longer focal length.
That was bad luck. I would have liked to sell the 25/1.4 and use just the 20mm.
Well, that's it.
kind regards,
Jonas
Last edited by Jonas B; June 20th, 2010 at 10:54 AM.
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May 20th, 2010, 07:25 PM
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Jonas, you're teasing me now!
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