With its 20.3-million-pixel APS-C sensor, Samsung’s slim compact system camera certainly raises the stakes. We find out what the NX200 has to offer advanced photographers
Noise, Resolution and Sensitivity
The 100% magnification of a section in this floral image shows the impressive detail available using the 60mm Macro lens, even at ISO 800
With the exception of the new 24-million-pixel Sony models, the NX200 has the highest-resolution APS-C-sized sensor to date, so seeing how it displays detail and handles noise is of great interest. Samsung makes this new sensor itself and, if successful, it could be making its way into many future models. The results of our standard resolution chart reveal that the detail is well resolved, reaching an impressive 32 with the raw file and the JPEG. Even at ISO 1600 it retains a 28 value for raw and JPEG, although at ISO 6400 and above values slide more dramatically, reaching just 18 from the JPEG at ISO 12,800.
Colour noise remains suppressed throughout the range from the JPEG files, and only presents itself in the raw files from ISO 1600, although it is easily removed in processing. Luminance noise appears quite early on, showing in the JPEGs from ISO 800 with close inspection at 100% and is perhaps more noticeable due to the larger resolution. However, in print the noise only starts to become noticeable at ISO 3200 and above. With the exception of the highest ISO 12,800 setting all sensitivities are usable, which leaves flash-free shooting a viable option for almost all conditions. However, as with most cameras, an ISO value of 100 or 200 should always be chosen for critical detail.
Resolution charts: These images show 72ppi (100% on a computer screen) sections of images of a resolution chart, captured using the 60mm f/2.8 lens at its sharpest f/8 setting. We show the section of the resolution chart where the camera starts to fail to reproduce the lines separately. The higher the number visible in these images, the better the camera’s detail resolution is at the specified sensitivity setting.