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01-21-2009, 10:25 AM   #1
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Join Date: Sep 2008
Location: Glasgow
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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
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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
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Join Date: Dec 2008
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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.
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