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06-02-2013, 07:07 AM   #1
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K5 vs canon EOS 40D

I had a chance to compare these two cameras side by side. I have been a pentax user for 25 yrs, now have k200d, k20d and k5d. My brother-in-law visited from Phoenix, has a canon 40d with 18-135 walk around lens. I used k5 with Pentax 18-250 lens. I have uploaded two sample images one from each. I found the picture quality right out of the box to be far superior with canon, not withstanding it is several years older. what am I doing wrong? cheers.

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06-02-2013, 07:12 AM   #2
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QuoteQuote:
what am I doing wrong?
You are comparing two different scenes, two different subjects, different exposure, different lenses, and different shooting techniques.
06-02-2013, 07:22 AM   #3
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QuoteOriginally posted by polur101 Quote
I found the picture quality right out of the box to be far superior with canon, not withstanding it is several years older.
What makes you think that?
06-02-2013, 08:13 AM   #4
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/sarcasm The colors in the 2nd photo are much more vivid. You should have told the boy in #1 to wear a floral dress for a more colorful photo

You've asked what you're doing wrong. We don't have enough information ... what about the Canon photos do you prefer compared to the K5? There might be a K5 setting to get what you want.

The lens is also a large factor. The Pentax 18-250's enormous zoom range forced the lens designer to make compromises, so the contrast and sharpness can't be as good as with a narrower-zoom lens. You mentioned the Canon 18-135 but the EXIF on photo #2 says Canon EF 50mm f/1.4 US. If you really used that 50mm prime it's a very different lens than the Pentax 18-250.

06-02-2013, 08:28 AM   #5
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With equal lenses (which is totally not the case here), the K5 would perform better in all situations. It's newer, has a better sensor, more dynamic range, etc. Obviously you have two completely different scenes in the two photos. There's nothing to compare between them.

I feel like you are comparing how nice the images look as opposed to the actual quality (which is stupid to compare because the lenses are very different). The first image is just a snapshot. It's crooked, not really composed, and a little underexposed. The second one is at a longer focal length, composed better and is in a much more colorful scene (as well as different lighting).
06-02-2013, 08:40 AM   #6
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Just change the settings to get it as you want. Increase contrast, turn off the highlight correction ect. increase the saturation. Use the Bright setting.
There are many ways to change the output without having to resort to RAW files. Most of the lower model cams and point & shoot ones have all the settings at max they look super clean and bright but if you look carefully there is a lot of fine details and colors missing. Look at the leaves in the Pentax pic compared to the Canon the Pentax looks real and the Canon looks plastic like.
Also the only real way to compare and see the results is in a printout.
06-02-2013, 08:51 AM   #7
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Are you really trying to compare a superzoom at it's weakest focal length to a prime set to it's sweet spot?
06-02-2013, 09:31 AM   #8
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QuoteOriginally posted by boriscleto Quote
Are you really trying to compare a superzoom at it's weakest focal length to a prime set to it's sweet spot?
how do you find which lens used from exif data. as far as i can see, it only gives the focal length, it doesn't say if it is prime or zoom.

06-02-2013, 09:36 AM   #9
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QuoteOriginally posted by polur101 Quote
how do you find which lens used from exif data. as far as i can see, it only gives the focal length, it doesn't say if it is prime or zoom.
Last line of the EXIF...

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06-02-2013, 09:51 AM   #10
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QuoteOriginally posted by boriscleto Quote
Last line of the EXIF...

Attachment 174712
which exif reader are you using
06-02-2013, 09:53 AM   #11
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QuoteOriginally posted by polur101 Quote
which exif reader are you using
The one right here in the forum. Adam implemented ExifTool into the site.

ExifTool by Phil Harvey
06-02-2013, 10:05 AM   #12
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Just hover your mouse over the words 'View Picture Exif' immediately above the picture(s).
06-02-2013, 10:12 AM   #13
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The Canon 40D is nowhere near the K-5 in quality.
06-02-2013, 10:47 AM   #14
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Trust me, my girlfriend switched from the 40D to a K-7, loves it more in every aspect. Similar noise profiles, but the Pentax has much better...well, everything else. K-5 Vs. 40D is like trying to compare a water gun to boat mounted .50Cal.

Also, as mentioned, you're comparing a superzoom to a high end prime. Meanwhile, keeping said superzoom at 18MM, stopped down to F11 which promotes diffraction. Also worth noting, I think you backfocused on both photos. (Photo 1 is more set on the stone chunk the railing is attached to, photo 2 seems to be set on the flowers above the girl)
06-02-2013, 11:35 AM   #15
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Both cameras could do better with some attention to contrast and saturation. I don't like the 40D image, colours are too saturated and the exposure needs to be boosted a touch.

If you're going to use jpegs, check the Image Tone settings in the K-5. Your K-5 photo needs a boost in EV and contrast, and white balance is a bit cool. This result is very common with a bright sky taking up so much of the frame. Even having missed the proper adjustments before taking the photo, it's very easy to change in post-processing. I adjusted this one in Picasa, but it's harder to do without having been there.


Last edited by audiobomber; 06-02-2013 at 11:52 AM.
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