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02-08-2014, 09:58 AM   #1
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Greetings from Bogota

Hi every one!! I bought a Pentax K7 on 2010 and this model disappointed me!! AF was terrible and many shots were underexposed. I changed the original lens (Pentax DA 18-55 mm 1:3.5-5.6) to Sigma (DC 17-70 mm 1:2.8-4) and AF worked very good, also underexposed was less.


I bought also the following:
Pentax DA 55-300 1:4-5.8,
Pentax DA 35 mm 1:2.4,
Sigma DC 10-20 mm 1:4-5.6 and
Sigma DC 18-250 mm 1:3.5-6.3.


At the end of 2014 a black body of Pentax K3 was acquired and I am happy. I made some shots in a sunny day using both cameras and I found a big difference between them. The attached lens to K3 is the Sigma DC 18-250 mm.

02-08-2014, 11:25 AM   #2
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Posts: 7,724
Welcome to the forums! I will believe that going from the K7 to the K3 was quite a leap! Hope you'll show us some pictures from your part of the world
02-08-2014, 11:35 AM   #3
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Location: London, ON
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QuoteOriginally posted by procesista Quote
Hi every one!! I bought a Pentax K7 on 2010 and this model disappointed me!! AF was terrible and many shots were underexposed. I changed the original lens (Pentax DA 18-55 mm 1:3.5-5.6) to Sigma (DC 17-70 mm 1:2.8-4) and AF worked very good, also underexposed was less.


I bought also the following:
Pentax DA 55-300 1:4-5.8,
Pentax DA 35 mm 1:2.4,
Sigma DC 10-20 mm 1:4-5.6 and
Sigma DC 18-250 mm 1:3.5-6.3.


At the end of 2014 a black body of Pentax K3 was acquired and I am happy. I made some shots in a sunny day using both cameras and I found a big difference between them. The attached lens to K3 is the Sigma DC 18-250 mm.
Hi welcome to the forum!
02-08-2014, 02:08 PM   #4
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Welcome to the forum, enjoy both it and that K-3.

02-10-2014, 07:12 AM   #5
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Location: Dundee, IL
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Welcome aboard!
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