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Sharpness and Res | NX500 vs G7 vs LX100 | Help


M100

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NX500:
+ codec ( but how does it really compare to G7? anyone? )
- hdmi output, lenses

G7:
+ lenses, hdmi
- codec

LX7:
+ lens
- hdmi output, no lens change

All cost about the same.

Question: What is the true lens resolution possibility ~ 1000 USD ?

1. Is it true that in m4/3 we can't really use practically more than the lens resolution of LX7 and 12Mpx, because there isn't a enough sharp lens ( > 10Mpx ) to use with G7 ( m4/3 or with adapter ) which costs less then 1000USD? 14-140 is only 6P-MPix ( dxomark ) and 14-42 is 7P-MPix. 

2. Maybe the NX500 has a 28MPx sensor, but is there any lens configuration to use 15,20 or 25 MPx on NX500?

3. Is it true, that when we want to go for a true 25-30Mpx resolution, we have to buy at least D600/700/800 with a good lens?


At last ... what do you think about lens res?

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Guest Ebrahim Saadawi

No such thing as lens absolute resolution. And a tiny 1" size sensor and a 1" lens can be higher resolving that a FF sensor and a FF lens. It's not relevant to sensor size, just the resolving power of the sensor, and the resolving power of the lens. 

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M100, first say what your needs are.  

​1. Achieve the highest possible sharpness and image quality, using the camera body <> lens kit
2. Find out if the lens sharpness matters - ie. what criteria to consider when choosing a good lens

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1. Is it true that in m4/3 we can't really use practically more than the lens resolution of LX7 and 12Mpx, because there isn't a enough sharp lens ( > 10Mpx ) to use with G7 ( m4/3 or with adapter ) which costs less then 1000USD? 14-140 is only 6P-MPix ( dxomark ) and 14-42 is 7P-MPix. 

2. Maybe the NX500 has a 28MPx sensor, but is there any lens configuration to use 15,20 or 25 MPx on NX500?

3. Is it true, that when we want to go for a true 25-30Mpx resolution, we have to buy at least D600/700/800 with a good lens?


At last ... what do you think about lens res?

​1. Those DXOmark sharpness ratings are heavily related to the camera megapixel count. For example, Nikon's 50mm f1.8 has a 10mpx rating on the Nikon D7000 (16.2 megapixel) and 14mpx on the D7100 (24 megapixels). So don't use them to judge overall lens qualities for a camera system. In fact I've found my Olympus 17mm f1.8 to be sharper wide open than a lot of other glass I've used for other systems.

2. Dunno

3. For 1080p video it doesn't matter so much

 

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Thanks,
I've tried to find tests with specifc lens and camera, but they haven't tested it yet - so I've tried similar sensors like GH4 > GX7.
We're talking about 4K UHD and thats ~8MPx.

Marco, are you talking about the Samsung NX500 kit 16-50?
Looking for Samsung 18-200mm f/3.5-6.3 ED OIS Lens test with NX500.

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