G9 vs. Z6 @ 2.8 in low light

Started 3 months ago | Questions thread
Sundre
OP Sundre Contributing Member • Posts: 711
Re: Less noise but also less DoF

Anders W wrote:

Be aware that at the same ISO, the same f-stop, the same shutter speed, and the same field of view, the Z6 will give you a two-stop improvement when it comes to signal-noise ratio (which is of course desirable) but also two stops less depth of field (which is less desirable, at least based on my taste and experiences). So what you gain in one regard, you lose in another.

When I shoot concerts, I typically try to do it primarily with the Olympus 75/1.8 (which corresponds to a 150 mm lens on FF wrt angle of view). Shooting that lens wide open, I usually manage to get enough DoF for decent shots (see example below) but I’d rather have more than less of it. This is particularly so since musicians tend to move when they play making it harder to nail focus.

One thing I don’t understand is why you need as high an ISO for concert shots as 8000 and still can’t use a shutter speed higher than 1/50 s at f/2.8. What type of concerts are these?

Apologies, I wasn't clear. I currently only own the Panasonic 12-60/3.5-5.6 and 100-300/4-5.6, so I've mostly been shooting at f/5.6. I was offered a good price for a used Z6 and started thinking about whether I should invest in faster MFT glass or switch over to FF. I can't afford both.

I usually try to keep shutter speed at 1/250 s or so since many musicians move quite a bit as they play/sing. At f/1.8, that typically means ISO 400 to 800 with standard stage lighting (or ISO 800 to ISO 1600 at f/2.8). See example below illustrating my point about DoF as well as the ISOs/exposure values I typically use.

I'll rent the 75/1.8 and see how it feels. Will also rent the 35-100/2.8 and try it out as well, along with FF gear.

 Sundre's gear list:Sundre's gear list
Panasonic Lumix DC-G9 Olympus 12-40mm F2.8 Pro Panasonic 35-100mm F2.8 II
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