Panasonic 20mm f/1.7 Auto Focus

Started Feb 14, 2013 | Discussions thread
camera fan not photographer Junior Member • Posts: 30
20mm f/1.7 vs. Sony RX1 AF speed

Just as it's reported that the 20mm f/1.7 lens is slower to AF than newer m4/3 lenses, it is also reported that the Sony RX1 is slower to AF than recent m4/3 bodies in general. This thread discussed the 20/1.7's, and another recent thread discussed the E-M5 vs. the RX1. I'm curious whether the 20/1.7 on an E-M5 (or a E-PL5) autofocuses faster or slower than a Sony RX1? Anyone have any numbers on that direct comparison?

One reason this question seems interesting is that the clearly faster-AF combination of E-PL5+25/1.4 is actually larger and heavier than an RX1, while the E-PL5+20/1.7 is both smaller and lighter than the RX1. [I see that DPReview just released the RX1 review, but haven't had time to look at it yet.]

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