Image Size / File Quality Options
The D1H offers a good variety of image size and quality
settings; two TIFF (RGB and YCbCr), RAW (uncompressed or losslessly compressed)
and three JPEG modes plus B&W. All images are shot at the native image
size of 2000 x 1312 (2.6 megapixel).
Standard Test Scene
To give an impression of what some of the combinations of image size and quality produce the table below is a cross reference of some of them:
- 2000 x 1312 TIFF RGB
- 2000 x 1312 RAW (converted in Nikon Capture 2)
- 2000 x 1312 JPEG FINE
- 2000 x 1312 JPEG NORMAL
- 2000 x 1312 JPEG BASIC
Crops below are of the same 240 x 120 area of each image nearest neighbour magnified 200%.
Settings: ISO 200 / Sharp.: Normal / Tone: Normal / Colorspace: sRGB
|2000 x 1312|
7,773 KB (Not available for download)
As you can see there isn't a huge difference between TIFF and JPEG FINE, and there are certainly no noticeable JPEG artifacts. It's interesting to note the higher contrast and more 'detailed' RAW image, proof that the RAW format and the additional processing power of a desktop computer can provide higher quality images. Although we should assume that at least with the D1H the majority of photographers will be shooting JPEG FINE.
RAW image format
Just like the D1 and D1x the D1H has a RAW mode for shooting lossless high quality 'digital negatives'. The RAW format is essentially the data as it comes straight from the CCD recorded into a file along with camera settings and exposure information. This file can not be viewed on a computer until it has been converted by "Nikon Capture" or one of the third party applications such as Bibble or QImage Pro. I covered the RAW image format in detail in my D1x review and everything written there (apart from image dimensions) stands for the D1H:
Sharpening (Custom setting 23)
Via custom setting 23 you can select from four levels of sharpening: Normal, Low, High and None.
Settings: ISO 200 / Tone: Normal / Colorspace: sRGB / FINE JPEG.
|CSM 23-0: Normal|
|CSM 23-1: Low|
|CSM 23-2: High|
|CSM 23-3: None|
At anything above Low the sharpening algorithm has a tendency to introduce sharpening artifacts such as white halos around black lines and 45 degree 'jaggies'. Generally speaking the Low setting seems to offer the best balance between sharpness and low artifacts, you can always sharpen up the image later (using an unsharpen mask) in Nikon Capture 2 or a third party application such as Photoshop.