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PostPosted: Sun Dec 23, 2007 5:06 pm 
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Location: France
Season Greetings

34,0 mm - 1/60 sec - f3,5 - ISO 100
Image

Merry Christmas and Happy New Year!

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--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


Last edited by rei_vilo on Sun Dec 23, 2007 7:11 pm, edited 1 time in total.

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 Post subject:
PostPosted: Sun Dec 23, 2007 6:12 pm 
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8- Depth of Field Test

The following 3 pictures were taken at 50,0 mm - 1/125 sec - f4 - ISO 100.

In auto-focus SEL mode, I selected the far area...
Image

the middle area...
Image

the front area...
Image

Each area is less than 10cm / 3" far from the others.

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--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Wed Dec 26, 2007 9:16 pm 
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Bonsoir Gordon,

Looking back at the pictures of this review, the difference between the DA* and the DA doen't seem as big as for the DA* 50-135mm and the DA 50-200mm :? . During the comparison test, weather was foggy and fall light was poor :( .

However, pictures taken at Chartres were very promising :) and give a better idea of the quality of the DA* 16-50mm lens.

Are there specific tests and conditions to check a 16-50mm lens :?:

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--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Wed Dec 26, 2007 9:23 pm 
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Location: Queenstown, New Zealand
Hi Rei, I wouldn't say anything specific for testing a 16-50mm - just the usual comparisons in the edges at open apertures at a variety of focal lengths...

As always, you're doing a really good job!


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 Post subject:
PostPosted: Sun Dec 30, 2007 8:04 pm 
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Bonsoir,

Tonight, I went to the Champs Elysées and took some pictures with my bold new DA* 16-50mm, obviously with the shake reduction switched on :)

The K10D was on P mode (set to MTF, hence the f4 aperture), and AWB. All the pictures are un-processed.

Enjoy :!: This is my present to CameraLabs team members and readers for New Year :wink:

50,0 mm - 1/8 sec - f4 - ISO 400
Image

50,0 mm - 1/8 sec - f4 - ISO 400
Image

16,0 mm - 0.25 sec - f4 - ISO 400
Image

50,0 mm - 0.25 sec - f4 - ISO 400
Image

50,0 mm - 0.3 sec - f4 - ISO 400
Image

50,0 mm - 0.3 sec - f4 - ISO 400
Image

50,0 mm - 0.5 sec - f4 - ISO 400
Image

31,0 mm - 0.25 sec - f4 - ISO 400
Image

39,0 mm - 1/8 sec - f4 - ISO 400
Image

Due to very low light conditions, the AF had some difficulties to hang on. I switched it off and focused manually.

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


Last edited by rei_vilo on Sun Dec 30, 2007 8:14 pm, edited 1 time in total.

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 Post subject:
PostPosted: Sun Dec 30, 2007 8:09 pm 
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Location: France
All the pictures are in this :arrow: album.

I selected two pictures and cropped the 600 x 600 top left area.

Image

Image

It gives an idea of the quality of the lens. No major purple fringing around the :idea: lights, no colour aberration near the branches, and plenty of sharp details :)

I really doubt I could have such fine pictures with my old 18-55mm :!:

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Fri Jan 04, 2008 9:35 pm 
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Joined: Sun May 27, 2007 12:39 pm
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Location: France
Bonsoir,

On my review, I wrote
Quote:
All this comes at a price. [...] Another consequence is the need of a stronger bag.

So I went for a stronger (and bigger) bag :D

Please find my :arrow: Lowepro Rezo 190 AW Camera Bag User Review.

Enjoy :!:

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject: Macro
PostPosted: Sat Sep 20, 2008 6:22 pm 
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Location: France
Bonsoir,

I received questions about the macro capabilities of the 16-50mm. Here are some shots taken during my summer holidays. Enjoy :)

Image
1/125 f/9 ISO100 34mm
When the picture is printed, the water drops seem to be right on the paper :!:

Image
1/45 f/2.8 ISO400 50mm

Image
1/180 f5.6 ISO100 50mm

Image
1/125 f/5.6 ISO100 28mm

Other pictures are :arrow: here.

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Fri Apr 24, 2009 9:26 pm 
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Location: France
There's a new comer to the lens family :!:

See my :arrow: Pentax smc DA* 60-250mm f/4 ED (IF) SDM User Review :)

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Thu Jun 25, 2009 1:36 pm 
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Joined: Sun May 27, 2007 12:39 pm
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Location: France
Bonjour,

See how this lens performs on bokeh compared with other DA* lenses.

Please check my :arrow: Pentax DA* Lenses Bokeh User Review.

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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PostPosted: Mon Jul 06, 2009 7:59 pm 
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Joined: Sun May 27, 2007 12:39 pm
Posts: 601
Location: France
Bonjour,

I've never tried the dust- and water-sealing of my K10D and DA* 16-50mm SDM lens. But today, I had no alternative :( .

I was visiting the Giverny museums and Monet's gardens, when it started raining. I rushed under the trees, looking for protection. But droplets went on my camera :shock: . Then I remembered the marketing said my camera and lens were water-sealed. Was marketing true :?:

Check the :arrow: full story with pictures :!:

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Thu Nov 19, 2009 2:04 pm 
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Joined: Sun May 27, 2007 12:39 pm
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Location: France
Bonjour,

An edited version of this user review is available on my :arrow: website.

Enjoy :)

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Thu Aug 05, 2010 10:44 am 
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Joined: Sun May 27, 2007 12:39 pm
Posts: 601
Location: France
Bonjour,

I'm still very happy with my Lowepro Rezo 190 AW camera bag: it carries all my gear safely.

But it isn't exactly the best when going out-door, especially with the DA* 60-250 f/4 SDM tele-zoom. So I went for the Lowepro Micro Trekker 200.

Image Image

Check my :arrow: User Review on Camera Labs or the :arrow: full review with more pictures on my website.

Enjoy :)

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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