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10-31-2010, 06:27 AM   #1
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Pentax K-x vs. Pentax K-r

Goodpics say hello to the pentaxforums. I like Pentax because it`s not canikon normally (). At the moment we have K-x, K-r, K-7 and soon one K-5.

Here is the compare about the new Autofocus Savox IV+ (Pentax K-r) and the Autofocus Savox III (Pentax K-x, white):


And here the new Live View, he works really great:


Pentax produce a gread new camera with more speed in Autofocus and Live View.

10-31-2010, 07:03 AM   #2
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thanks goodpics for videos.
10-31-2010, 07:42 AM   #3
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It seems k-r's LV (contrast based) autofocus is much improved, while the with FV (dedicated sensor) performance is similar (?).
10-31-2010, 08:07 AM   #4
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The k-r has safox IX, not IX+. The plus denotes a light wavelength sensor, which is found in the 645D and the K-5. Nevertheless, seems the new af is much more accurate, and faster!

10-31-2010, 01:38 PM   #5
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@ Adam:

  • 12,4 Megapixel CMOS
  • Empfindlichkeit bis ISO 25600
  • Bildfrequenz 6 B/Sek.
  • SAFOX IX+
  • Duale Stromversorgung LiION Akku oder 4x Mignon
  • HDR Automatik
(everything from pentax.de)

Where you read about the Safox with no "+"?

Last edited by goodpics; 10-31-2010 at 02:33 PM.
10-31-2010, 04:54 PM   #6
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QuoteOriginally posted by goodpics Quote
@ Adam:

  • 12,4 Megapixel CMOS
  • Empfindlichkeit bis ISO 25600
  • Bildfrequenz 6 B/Sek.
  • SAFOX IX+
  • Duale Stromversorgung LiION Akku oder 4x Mignon
  • HDR Automatik
(everything from pentax.de)

Where you read about the Safox with no "+"?
From Pentax.

Focus System: Type: TTL phase-matching 11 point (9 cross) wide autofocus system (SAFOX IX) Focus modes: AF Auto, AF Single (w focus lock), AF Continuous (available in Action mode including Auto Picture Action, Kids, Pet, Stage Lighting, Night Snap, P/A/S/M/B/Sv), Manual Focus point adjustment: 11 point auto, 5 point auto, AF point select, center/spot AF assist: Yes, via dedicated AF assist lamp with SAFOX IX system
11-01-2010, 04:54 AM   #7
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QuoteOriginally posted by boriscleto Quote
From Pentax.

Focus System: Type: TTL phase-matching 11 point (9 cross) wide autofocus system (SAFOX IX) Focus modes: AF Auto, AF Single (w focus lock), AF Continuous (available in Action mode including Auto Picture Action, Kids, Pet, Stage Lighting, Night Snap, P/A/S/M/B/Sv), Manual Focus point adjustment: 11 point auto, 5 point auto, AF point select, center/spot AF assist: Yes, via dedicated AF assist lamp with SAFOX IX system

Digitale Spiegelreflexkameras - PENTAX Europe Imaging Systems

Pentax now what is really inside, or it is simply a mistake on the european homepages. I don`t think that the camera is other here in europe.
11-01-2010, 05:08 AM   #8
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QuoteOriginally posted by Adam Quote
The k-r has safox IX, not IX+. The plus denotes a light wavelength sensor, which is found in the 645D and the K-5. Nevertheless, seems the new af is much more accurate, and faster!
I agree, the K-r focus system is not +, because it doesn't have the tungsten AF module.

Regarding the video, I would just like to point out that it's much easier to autofocus on a white camera with black trim than it is to AF on a black camera with black trim. Also, some of the time the focus confirmation was on the floor, not the subject. Better targets would have made for a better test.

11-01-2010, 06:06 AM   #9
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QuoteOriginally posted by audiobomber Quote
I agree, the K-r focus system is not +, because it doesn't have the tungsten AF module.

Regarding the video, I would just like to point out that it's much easier to autofocus on a white camera with black trim than it is to AF on a black camera with black trim. Also, some of the time the focus confirmation was on the floor, not the subject. Better targets would have made for a better test.
I now what you mean about the black/white, and the focus from the K-r was at most on the black scroller from the K-x. The test is really not perfectly, but the difference between the autofocus is to see.
11-01-2010, 06:27 AM   #10
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i don't care so much about the phase detect AF difference, they have always been pretty fast for my needs, but WOW at the LiveView focus!
11-01-2010, 06:27 AM   #11
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Nice, alot less k-k-krrrr-k-k from the k-r
11-01-2010, 06:53 AM   #12
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hard to nail down the differences in phase detect since pointing the cameras to the same locations were not so consistent.

i don't seem much difference in phase detect, but still a bit better than the kx
11-01-2010, 11:45 AM   #13
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QuoteOriginally posted by goodpics Quote
@ Adam:

  • 12,4 Megapixel CMOS
  • Empfindlichkeit bis ISO 25600
  • Bildfrequenz 6 B/Sek.
  • SAFOX IX+
  • Duale Stromversorgung LiION Akku oder 4x Mignon
  • HDR Automatik
(everything from pentax.de)

Where you read about the Safox with no "+"?
Yup, it's a typo, just like the "DA L" designation for the 35mm on the Pentax USA website. Apparently the different Pentax branches can't reach an agreement on what to name their products

Adam
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11-01-2010, 02:23 PM   #14
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QuoteOriginally posted by Adam Quote
Yup, it's a typo, just like the "DA L" designation for the 35mm on the Pentax USA website. Apparently the different Pentax branches can't reach an agreement on what to name their products
I have send an email to pentax germany and i tell you what is the answer.
11-03-2010, 02:02 PM   #15
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Ok, pentax say that only the K5 & 645D have this sensor. The K-r is without, but on the homepage it is still wrong...

Pentax K-r - Digitale Spiegelreflexkameras - PENTAX Europe Imaging Systems
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