Forgot Password
Pentax Camera Forums Home

Show Printable Version Search this Thread
04-01-2015, 03:00 PM   #16
Paleo Pete's Avatar

Join Date: Jun 2010
Location: Texas
Photos: Gallery | Albums
Posts: 2,877
Nikon and Canon both have image stabilization built into their lenses, some others I think. Common perception is that means you pay for it every time you buy a lens. As far as I know Pentax has built IS into the camera from the beginning. That means it works with any lens you use. If you look in your camera's menu, you'll find a setting to turn it on and off, that's because it's built in to the camera before you ever attach a lens.

The camera only asks for focal length when using manual lenses because they do not have the ability to communicate this to the camera. Most auto focus lenses have that ability and the camera automatically "knows" what lens is in use. So you don't have to set it. I think the older A series lenses do let the camera know the focal length, (I think, haven't mounted mine in a while) at least when set to A, but do not have auto focus, just the ability to tell the camera the aperture in use. A series lenses also let you use the rear thumbwheel to adjust aperture. So you don't have to worry about focal length when using the auto lens, only the manual. But when using a manual lens, the main thing that does is allow image stabilization to function optimally for that focal length.

I'd go ahead and use manual lenses any time you want to, if you know how to get a decent exposure, the best way to get proficient with manual lenses is to use them.


  • 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!
camera, concert, iso, k-30, k-30 and third, k-50, lens, lenses, light, macro, party, pentax, pentax k30, pentax k50, people, post, quality, settings, sigma, spot, third, third party, time, vivitar, wildlife
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Similar Threads
Thread Thread Starter Forum Replies Last Post
Pentax Medium Format Third Party Resources II: T/S-lenses (Tilt and/or shift lenses) veraikon Pentax Medium Format 3 04-29-2017 12:39 PM
Third-party lenses and Focus point selection khenna Pentax K-30 & K-50 2 03-27-2015 11:58 AM
Pentax K-3 - Not that good with third-party lenses?! vishalv Troubleshooting and Beginner Help 34 08-18-2014 11:38 AM
Modding a third party grip for K-30. Culture Pentax K-30 & K-50 5 11-19-2013 11:08 PM

All times are GMT -7. The time now is 10:22 PM. | See also:, 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?
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]