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Orio
Joined: 24 Feb 2007
Posts: 29545
Location: West Emilia
Expire: 2012-12-04
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 Posted: Sat Dec 22, 2007 2:24 pm Post subject: Yashica ML Zoom... |
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Orio wrote:
ah zooms... I already sold them all, why did I decide to buy another one?
the Yashica arrived also today. Just tried it. Good news, it is incredibly, I mean incredibly, sharp wide open (in the center - not in the edges).
But... look at the distortion:
at 28mm, barrel:
at 85mm, pincushion:
And this was described as one of best ML zooms, with "well corrected distortion"...
I already know, I am never going to use this lens. 
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Sat Dec 22, 2007 2:29 pm Post subject: |
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Attila wrote:
Like a HunderWasser house 
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naplam
Joined: 22 Mar 2007
Posts: 469
Location: Spain
Expire: 2013-11-30
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| Posted: Sat Dec 22, 2007 3:02 pm Post subject: |
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naplam wrote:
The vignetting is quite noticeable too. |
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LucisPictor
Joined: 26 Feb 2007
Posts: 17633
Location: Oberhessen, Germany / Maidstone ('95-'96)
Expire: 2013-12-03
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| Posted: Sat Dec 22, 2007 3:12 pm Post subject: |
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LucisPictor wrote:
I can't see any distortion! This is what all my lenses look like.
...
Just kidding! 
This is really bad. I think I have some better zoom lenses. When I ever will get the chance to visit you one day, Orio, I am going to bring some and testshoot the same pics. 
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Orio
Joined: 24 Feb 2007
Posts: 29545
Location: West Emilia
Expire: 2012-12-04
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| Posted: Sat Dec 22, 2007 3:39 pm Post subject: |
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Orio wrote:
| LucisPictor wrote: |
I can't see any distortion! This is what all my lenses look like.
...
Just kidding!
This is really bad. I think I have some better zoom lenses. When I ever will get the chance to visit you one day, Orio, I am going to bring some and testshoot the same pics. |
You will be very welcome, Carsten. But about distortion... don't forget you are using a 1.6x crop camera. Imagine to crop the central frame out of my pictures, and you would cut the most evidently distorted parts which are those at the edges, in the case of pincushion, and for barrel, you would cut the regular parts but the distorted parts left alone seem less distorted. Distortion is one of those things that must be judged on full frame.
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Ferrania film is reborn! http://www.filmferrania.it/
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poilu
Joined: 26 Aug 2007
Posts: 10471
Location: Greece
Expire: 2019-08-29
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| Posted: Sat Dec 22, 2007 5:41 pm Post subject: |
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poilu wrote:
I have to look carefully to see distortion, usually I don't care
But distortion can be 'corrected', here is the 85mm
Resolution, flare, chromatic aberration are more difficult to correct
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F16SUNSHINE
Joined: 20 Aug 2007
Posts: 5486
Location: Left Coast
Expire: 2011-11-18
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| Posted: Sat Dec 22, 2007 6:09 pm Post subject: |
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F16SUNSHINE wrote:
Well as you said about the 28-70 pics from the other day, a zoom is a zoom. We can not compare performance to primes. The ML 28-85 is a inexpensive lens. I still think it is useful for a "walking around lens where you will be shooting a variety of closer range subjects (mostly people). If you had this lens on the camera for a family party, steet festival, or trip to the beach it would perform just fine. I think really the bottom line is zooms are for convienience and have comprimises. Find the comprimises you can live with and use the lens when it's positive attributes shine.
 Andy |
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