Panasonic gx1 where to buy
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Click here Click here. Not quite as snappy as the V1, but close enough to make it a race. It's when subjects start moving that things change. It's actually not that the focus system doesn't respond quickly on the GX1, it's that it doesn't track solidly. The faster or more disjointed the subject motion is, the more you see the focus system undershoot or overshoot where it should be, then struggle to catch up.
This has long been the Achille's heel of contrast-based focus systems, so it isn't a problem unique to the GX1. I tried to find a difference in tracking between the G3 and GX1. I couldn't reliably come up with anything that indicated to me that the GX1 was consistently and measurably better, but anecdotally it felt there were times when it did indeed hold track a bit better than the G3. Some of my disappointment is that in the first generation of mirrorless, Panasonic was at the forefront of focus performance.
I would tend to characterize the GH1 with mm lens performance as state of the art for contrast focus at the time of its introduction. Part of that was the video refresh speed of the sensor, part was the type of motors used in the Panasonic lenses. Both were a step forward for contrast focus.
Unfortunately, I can't really say that a lot has changed two generations later: initial acquisition is still reasonably fast, follow focus works on slower motion though with occasional hunts , and birds in flight are near impossible, especially for continuous shooting.
In other words, no pragmatic progress even though we've had some modest overall improvement. I can't reliably shoot things now that I couldn't shoot before, though I do get a few more keepers overall.
Image Quality: Let's get the good news out of the way first: if you like detail, the GX1 very well may deliver what you want. It seems to have a lax anti-aliasing filter, because I'm seeing clear false detail above the Nyquist frequency in raw files.
It resolves slightly above its class. On the other hand, in JPEGs some of that "detail" isn't detail at all, but over aggressive sharpening. Interestingly, noise seems to play into the resolution appearance on the GX1. Panasonic has finally played down the color noise while letting luminance noise stay.
Some people will like that. Unfortunately, it makes for a slightly grainy appearance, even at low ISO levels. That said, there is a slight improvement over the G3, which uses the same sensor. You can clearly see this at ISO , where the balance of detail destruction and noise is better handled on the GX1 than the G3.
But it's present at all ISOs to a smaller degree. Curiously, most of that difference appears to be in the green channel, not the red and blue channels.
When examining the raw files shot at the same time, I can't find any differences in the G3 and GX1 ones that can't be attributed to very small sample or testing variations.
The interesting thing is that I don't see a big falloff in the sensor's capability in raw files until I get to ISO That's not good for JPEG shooters, at least.
I'm not sure I can recommend ISO in raw, but I'm sure that I can't recommend ISO the dynamic range is crushed, the color noise if you remove it will kill detail but if you leave it will change colors. Dynamic range is not the GX1's strong suit, though it is reasonable for a small sensor camera. I don't yet have a final calculation for photographic dynamic range, but it looks like it's about a stop worse than the APS cameras I've been using.
Overall, the GX1 is capable of producing some very good results, especially if you're looking for detail at lower ISO values. But I found raw files from ISO to to be quite usable and I was able to extract very high quality images from the GX1 in that range. You may note that these remarks are basically the same as those in my G3 review. Accessories Buying Guides How-tos Deals. Health Energy Environment. YouTube Instagram Adobe. Kickstarter Tumblr Art Club. Film TV Games.
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