Forgot Password
Pentax Camera Forums Home

Show Printable Version Search this Thread
01-21-2009, 10:25 AM   #1
Inactive Account

Join Date: Sep 2008
Location: Glasgow
Posts: 15
Pentax 1.4 Teleconverter

Had a look at the Lens Database, but there are no reviews posted.

Can anyone comment on the picture quality obtained using the Pentax 1.4 converter, please?

I note that it is manual focus, but can live with that.

Database mentions that compatibility with DA & DA* lenses is unknown. That info would be very important.
Can anyone say if the converter will work with DA lenses, please ?

01-21-2009, 11:24 AM   #2
Site Supporter
Site Supporter

Join Date: Mar 2007
Location: Honolulu, Hawaii
Photos: Gallery
Posts: 92
The 1.4X-S will only transmit aperture info. No SDM contacts to allow use of the motor in the DA* lenses.

Image quality is very good with my A* 300mm, but haven't used enough with my DA* 300mm to give an opinion.
01-21-2009, 11:33 AM   #3
Veteran Member

Join Date: Dec 2008
Location: Western Missouri
Posts: 429
Do you have a specific converter picked out? I have a Pentax 1.4x A teleconverter which functions correctly on my K200D with my one A lens attached. I like it quite a bit and I've had it since my film days. I find the image quality produced with my better lenses on the TC to be excellent and I've had no problems with flare in my images. I've read that the lens elements in the 1.4x A are multi-coated in a manner similar to the lenses. I've found that using a lens on the TC returns better results than cropping my images from the lens without the TC.

I doubt my slow DA18-55 kit zoom will work on the TC due to it's small apertures but I'll check it out.

  • 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!
converter, da, database, k-mount, lenses, pentax, pentax lens, slr lens
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Similar Threads
Thread Thread Starter Forum Replies Last Post
For Sale - Sold: Promaster 1.7x Teleconverter AF for Pentax (US) montoblan Sold Items 2 11-15-2010 04:02 PM
1.4x Teleconverter for Pentax K7 and smc PENTAX DA Star 200mm F2.8 ED (IF) SDM imagesforyou Ask B&H Photo! 20 09-19-2010 10:12 AM
For Sale - Sold: brand new Pentax SMC Pentax-f 1.7x AF Adapter Teleconverter (CONUS) luke0622 Sold Items 1 05-04-2010 06:17 PM
For Sale - Sold: Pentax 77/1.8 Limited, Tamron SP AF 14/2.8, Pentax-F 1.7x AF Teleconverter carpents Sold Items 8 06-09-2008 11:18 AM

All times are GMT -7. The time now is 06:01 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]