Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
11-13-2013, 02:05 PM   #1
New Member




Join Date: Nov 2013
Posts: 4
K-3 vs E-M1 auto focus

Hi There,

I currently own a Olympus EM5 and was thinking to upgrade to a more pro body. I was all set on the EM1 until I came across Pentax forums. I normally try to stay away from slr cameras but the K-3 has really intrigued me. My one concern though, is the auto focus. Coming from a EM5, what should I expect from the K-3 in terms of accuracy, speed, and low light performance (compared to the Olympus EM1)? I know it can depend on the lens. If I were to go with the K-3, I will be getting the Sigma 35mm 1.4, FA 77mm limited, and DA 15mm limited.

I will admit, what really got me interested in the K-3 is the Pentax community. You guys seem so close knit and so loyal to the brand. Being a "Pentaxian" has such a nice ring to it. But autofocus is important to me (I'm not a pro by any means) and the EM1 is supposedly a notch above the EM5 which Is already incredibly fast to me.

Anyways,


Thanks in advance for all your advices.

11-13-2013, 02:39 PM   #2
Pentaxian
Miguel's Avatar

Join Date: Sep 2007
Location: Near Seattle
Photos: Gallery
Posts: 2,725
AF by itself has little meaning; what context are you interested in because what matters here are your particular requirements.

My sports shooting partner uses an EM5 because of the light weight compared with the Nikon kit he used prior. While his skills are just fine, I'm quite unimpressed with the performance aspect of the EM5 for shooting action. It seems like the first shot in a series is OK, but the next 7-8 in the sequence were lousy--not sharp, out of frame. I tried it for 20 minutes and obtained similar results. I'm not very surprised as I don't think mirrorless cameras are ready for primetime for shooting sports in the real world. I've only owned the K-3 for 14 hours, but I believe it would be superior for sports and birds over what you currently have.

M
11-13-2013, 02:52 PM   #3
New Member




Join Date: Nov 2013
Posts: 4
Original Poster
QuoteOriginally posted by Miguel Quote
AF by itself has little meaning; what context are you interested in because what matters here are your particular requirements.

My sports shooting partner uses an EM5 because of the light weight compared with the Nikon kit he used prior. While his skills are just fine, I'm quite unimpressed with the performance aspect of the EM5 for shooting action. It seems like the first shot in a series is OK, but the next 7-8 in the sequence were lousy--not sharp, out of frame. I tried it for 20 minutes and obtained similar results. I'm not very surprised as I don't think mirrorless cameras are ready for primetime for shooting sports in the real world. I've only owned the K-3 for 14 hours, but I believe it would be superior for sports and birds over what you currently have.

M
Hi Miguel, Thanks for your reply.

I do mostly street shooting and taking photos of my my kids. Nothing special, but I do enjoy photography and take my hobby seriously. I take my camera everywhere I go just in case I find something interesting to shoot.
11-13-2013, 02:57 PM   #4
Administrator
Site Webmaster
Adam's Avatar

Join Date: Sep 2006
Location: Arizona
Photos: Gallery | Albums
Posts: 42,782
QuoteOriginally posted by lijimmy80 Quote
Hi Miguel, Thanks for your reply.

I do mostly street shooting and taking photos of my my kids. Nothing special, but I do enjoy photography and take my hobby seriously. I take my camera everywhere I go just in case I find something interesting to shoot.
The K-3 does very well in terms of both live view AF and viewfinder AF. Those three lenses that you've listed are all fast-focusing, so I don't think you'll have any issues with what you need the camera for. Pentax still isn't quite as good as canikon for sports, but that doesn't mean the K-3 can't get the job done


Adam
PentaxForums.com Webmaster (Site Usage Guide | Site Help | My Photography)



PentaxForums.com's high server and development costs are user-supported. You can help cover those costs by donating. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

11-13-2013, 03:13 PM   #5
Veteran Member




Join Date: Mar 2007
Location: Boston, PRofMA
Photos: Albums
Posts: 3,053
QuoteOriginally posted by lijimmy80 Quote
I do mostly street shooting and taking photos of my my kids
For that, either should be fine though the K-3's better performance in low light should make it faster. The 77Ltd isn't that fast focusing (long throw).
One big reason m4/3 bodies seem to focus well is that their DOF isn't that narrow once you factor in the 2x sensor multiplier...Pentax is similar (lenses aren't that fast). This keeps the lenses lighter and focus looks right most of the time.

I tried a GX1 w/ the 14-42x as a travel cam recently and thought it did decently well...though focus speed wasn't that great even compared w/ my old Pentax K20D. Your EM5 is probably a lot faster
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
auto, dslr, em5, focus, k-3, k3, olympus, pentax, pentax k-3
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
K-3 auto focus problem DAKS Pentax K-3 23 11-11-2014 03:03 AM
Olympus E-M1 With Professional Service Winder Non-Pentax Cameras: Canon, Nikon, etc. 30 09-15-2013 10:13 AM
K5ii auto focus vs nikon d7100 Reptilezz Pentax K-5 69 07-26-2013 08:43 PM
Manual vs Auto Focus Bela Pentax K-5 12 11-04-2012 01:10 AM
Front/Back Focus vs DOF= 1/3:2/3? jmg257 Troubleshooting and Beginner Help 4 01-10-2012 01:47 PM



All times are GMT -7. The time now is 02:55 PM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top