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L-Mount 2x & 1.4x Teleconverters

Photo Moment - July 30, 2019

I've had my hands on the 1.4x and 2x Teleconverters for the full frame LUMIX S1 and S1R with the 70-200mm f/4 lens a little while… this is a quick evaluation including a few sample photos.

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Fawn shot on a LUMIX S1 with 2x Teleconverter STC20 and 70-200mm f/4 lens

Fawn shot on a LUMIX S1 with 2x Teleconverter STC20 and 70-200mm f/4 lens

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Comments from YouTube

"Not investing to dedicated lens".... there is no option... Do you know (public) plans for super telephoto?
Thanks! Any notes about image quality? Is the 1.4x a lot better than the 2x in that regard?
These will be awesome when the f/2.8 lens is released - at 400 you will be at f/5.6 an aperture perfect for birds in flight etc. So glad to see tracking work so well. Thanks for the show.
I still want the G9 w/ 100-400 lens. It’s more compact and can reach out to wildlife just as easily.
Yep still far cheaper and longer reaching. Sure you can use the teleconverter and crop the S1R but you still won't get the same bang for buck

@photojoseph am I correct in saying the Leica 200 2.8 and G9 will give about the same results as this lens with the 2x teleconverter and S1R but you will have a slightly more MP to play with?
The G9 w/ 100-400 is a 200-800mm full-frame-equivalent. So MASSIVELY more reach. Of course it’s slow on the long end; 400mm f/6.3. At 200mm, it’s probably about f/5.6, so that’d be 400 f/11 in FF equivalent. Compared to the S-Series combo here, you get 400mm f/8. And as Shiv pointed out, when the 70-200/2.8 comes out, you’ll have a 400mm f/5.6 with the 2x converter. And yes, it’ll weigh a ton ;-)
I made the test with the G9 and the panasonic 100-400. Yes it is more compact, yes it is cheaper, tes you have MORE reach... But I found it is not usable as soon as the sun disappears behind a cloud. For non moving subject, it is ok, but for a flying bird (for example), you really need a full sun otherwise your shutter speed won't be high enough.
So now I have a S1, just waiting my 70-200 plus 2X to make some new tests
VIDEOCIEL well, I don’t that’s too much of a deal breaker since I would taking photos of wildlife in bright daylight, anyway. I’ve even come across crepuscular and, on occasion, nocturnal species popping out randomly on bright daylight. So long story short, I don’t the low light scenario will become an issue for me.
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