I feel misled: Panasonic 20mm f1.7 II AF is SO SLOW!

Started 8 months ago | Discussions thread
Michael J Davis
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Re: I feel misled: Panasonic 20mm f1.7 II AF is SO SLOW!
In reply to Wesley Byrne, 8 months ago

Wesley Byrne wrote:

UPS just delivered my Panasonic 20mm f1.7 II. I had read the reviews and knew the Panasonic 20mm f1.7 autofocus wasn't fast, but I wasn't expecting it to be so unbearably slow. Some here have said that the 20mm f1.7 isn't that slow, and that it autofocuses about as fast as other m43 lenses when large focus adjustments are not needed, but they are wrong. This lens is useless for even slow moving subjects. I am definitely returning this lens.

I know the 20mm f1.7 has many fans, presumably folks who photograph static scenes. In my opinion, compared to the 17mm f1.8 and the 25mm f1.8, the 20mm f1.7 is a dog. Panasonic should be embarrassed for releasing this lens with barely-functional AF.

</end rant>

<rant noted>

Yes, I'm a fan having bought mark I as soon as it was available for my G1. It's still a favorite low light lens, and I use it on my E-M5 when out with no specific photography in mind. Slow on low contrast subjects in poor lighting conditions, but for moving objects, eg people, I focus on something static nearby. There is a psychological aspect to the focussing - the noise - which makes it seem slower than an equivalent silent lens. Anders has carried out some tests referenced elsewhere in this thread.

It was disappointing that Mk II was no faster,  and wonder if, in fact, it is a bit slower, or whether our expectations are raised.

To make up for the slow focussing is that when focussed it is one of the sharpest lenses and still excellent value. Sorry you may be missing out on this.

Mike

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Mike Davis
Photographing the public for over 50 years
www.flickr.com/photos/watchman

 Michael J Davis's gear list:Michael J Davis's gear list
Panasonic Lumix DMC-G1 Olympus OM-D E-M5 Panasonic Lumix G Vario 14-45mm F3.5-5.6 ASPH OIS Panasonic Lumix G Vario 7-14mm F4 ASPH Panasonic Lumix G 20mm F1.7 ASPH +3 more
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