20mm f1.7 for Night-time Street Photography

Started Feb 15, 2014 | Discussions thread
djbrom Senior Member • Posts: 1,322
A few comments

Gday Conor

The Panny is certainly a good lens.  Its sharp wide open, corners are fine but CA is evident wide open but as your using a Panasonic Camera your model may do auto correction of that.

The bad part of the lens, at least when I have used it on Olympus bodies, is that the focus is slow and noisy (for video).  Daylight is fine as long as you dont expect speeds like the newer generation of lenses.  The aperture mechanism is an old design (like that of the Panny 100-300mm) so it will slow down shutter burst speeds.  When the light gets lower it is not as fast in the AF department.  As a comparison, using the Oly 45mm f1.8 reveals a huge difference in AF speed in low light and it tends to hunt less.

So in summary, yes its a fine lens but be wary of its limitations and thats low light AF.  As for alternatives, there isnt really much apart from the Olympus 17mm f1.8 but that is not as sharp. A 25mm may be a little too narrow for you so the Oly 17mm is the only other choice if you want AF.    Anyway, try to hire or borrow one and see what its like for yourself.  Thats the best way

 djbrom's gear list:djbrom's gear list
Olympus OM-D E-M5 Olympus E-M1 Panasonic Lumix G 20mm F1.7 ASPH Panasonic Lumix G Vario 100-300mm F4-5.6 OIS Olympus M.Zuiko Digital 45mm F1.8 +11 more
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