08-13-2009, 04:58 PM
I think the main difference boils down to the viewfinders, and what lenses you want to use.
The G1's main advantage is it's better LCD & full-time live view. AF when using the LCD does not slow down at all. The EVF (electronic eyepiece vf) is a mixed blessing, large finder and live view are plusses, but it gets ugly and lag-gy to view through it in lower light pretty quickly.
The E620's advantage is having an OVF (optical glass vf), without the low-light viewing lag and issues of an EVF. But, it's OVF is relatively small. OIS is built-in, so works on all lenses.
The Oly has a wide choice of lenses that all AF, while at the moment the Pana only has a few (whole diff ballgame w/manual focus lenses, though, which is in the G1's favor).
But in the near future, the G1's m4/3 family will probably have added the most interesting options -incl much smaller pocket-size bodies that can share the G1's lenses (Pana has that first one's photo's already leaked), and maybe an Oly-hinted at advanced body that could share some of the E620's goodies.
Bottom line: More often use the LCD screen? Then get the G1.
More often use the eyepiece vf? Get the E620.
The G1's main advantage is it's better LCD & full-time live view. AF when using the LCD does not slow down at all. The EVF (electronic eyepiece vf) is a mixed blessing, large finder and live view are plusses, but it gets ugly and lag-gy to view through it in lower light pretty quickly.
The E620's advantage is having an OVF (optical glass vf), without the low-light viewing lag and issues of an EVF. But, it's OVF is relatively small. OIS is built-in, so works on all lenses.
The Oly has a wide choice of lenses that all AF, while at the moment the Pana only has a few (whole diff ballgame w/manual focus lenses, though, which is in the G1's favor).
But in the near future, the G1's m4/3 family will probably have added the most interesting options -incl much smaller pocket-size bodies that can share the G1's lenses (Pana has that first one's photo's already leaked), and maybe an Oly-hinted at advanced body that could share some of the E620's goodies.
Bottom line: More often use the LCD screen? Then get the G1.
More often use the eyepiece vf? Get the E620.