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Sony NEX-VG10 / VG20 / VG30 / VG900
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Old September 21st, 2012, 02:53 PM   #1
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Anyone with VG10 and NX70/CX700/CX760 etc.

I'm looking for a comparison of the VG10 with the kit lens against the NX70 or CX700/760. Specifically low light. With both cameras set at 1/30 shutter, wide angle with aperture wide open, and gained up to max (24dB on NX70, 27dB on VG10). If you could find a dark scene and just set the cameras side by side and shoot 5-10 seconds I'd appreciate it.
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Old September 23rd, 2012, 11:46 AM   #2
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Re: Anyone with VG10 and NX70/CX700/CX760 etc.

You need to be a little careful making that comparison.
The "kit" lens on the VG is a slow f 3.4
The lens on the CX cams are a fast f1.8
So, right out of the box, the CX cams will blow the VG away in low light, just based on the lens.
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Old September 23rd, 2012, 01:45 PM   #3
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Re: Anyone with VG10 and NX70/CX700/CX760 etc.

Quote:
Originally Posted by Robert Young View Post
You need to be a little careful making that comparison.
The "kit" lens on the VG is a slow f 3.4
The lens on the CX cams are a fast f1.8
So, right out of the box, the CX cams will blow the VG away in low light, just based on the lens.
Not sure I would agree with this statement. The chip size, noise and light gathering capability of the individual chip will still trump the f stop benefits. With NX70U which I tried out briefly, the VG 20 is seemed much better in low light than the NX70U. I assume this is repeated in the CX line.
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Old September 23rd, 2012, 03:46 PM   #4
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Re: Anyone with VG10 and NX70/CX700/CX760 etc.

I've shot a lot of stage shows with a VG20 with kit lens beside a Sony CX550. The kit lens is very slow so the VG20 ramps up the gain a lot earlier and is visibly noisier, especially as you zoom in and the iris closes to f6.5. Fortunately the noise looks a lot like film grain and is not too obtrusive.

Incidentally, I also use a 3 chip Panasonic TM700 palmcorder for wide shots beside the other two and it often blows them away in terms of overall image quality.
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Old September 24th, 2012, 06:41 PM   #5
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Re: Anyone with VG10 and NX70/CX700/CX760 etc.

That was also my experience comparing exactly the same cams- the VG 20 and the CX 550.
However, when I outfitted the VG20 with a 30mm f 1.8, the low light performance was outstanding.
The bottom line for me- I felt it was important to have the fast lens at least available anytime I was going to shoot low light with the VG.
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