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Teleconverters for L Mount?

  
 
graham_martin
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p.1 #1Teleconverters for L Mount?
I have a Lumix G9II and a Lumix 100-400 f/4-6.3, and I would like to get more reach by adding a 1.4TC. Since that would come to f/8.82, I am wondering if the lens would still auto-focus. Has anyone had any experience with that combo?
Feb 26, 2026 at 08:28 AM
gmccroskery
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p.1 #2Teleconverters for L Mount?
graham_martin wrote:
I have a Lumix G9II and a Lumix 100-400 f/4-6.3, and I would like to get more reach by adding a 1.4TC. Since that would come to f/8.82, I am wondering if the lens would still auto-focus. Has anyone had any experience with that combo?


I'm not a Panasonic shooter (other than some lenses), but I think you need the Panasonic DMW-TC14. They seem to be only be available used, and are very pricey -- not sure why. The 'L' mount TC will not work on your G9ll, as that is a Full Frame mount.

Greg
Feb 26, 2026 at 09:14 AM
Driften
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p.1 #3Teleconverters for L Mount?
Panasonic micro four thirds use a M43 mount not a L mount. The L mount is for full frame Panasonic cameras. The G9 II is M43.
Feb 26, 2026 at 12:59 PM
offtheback
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p.1 #4Teleconverters for L Mount?
Like you I am perplexed why Panasonic no longer supplies the 1.4x telecon for the 50-200.I messaged them a while ago and got nowhere.As a cure,I bought the OMD 50-200 2.8.Love it.
Feb 27, 2026 at 07:24 PM


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