EXCERPT page containing first few paragraphs. 2019-03-24 15:24:29
UA_SEARCH_BOT_null @ 184.108.40.206
The Hasselblad HC 120mm f/4 II covers the huge 54.3 X 40.0 mm sensor of the Hasselblad H6D-100C. That sensor size has a diagonal of 67.4mm, which means an image distance of 33.7mm from center, well within what the MTF chart shows (out to about 35mm).
MTF at infinity focus
Wide open performance shows moderately high contrast for coarse and medium structures improves to world-class levels at f/8.
Micro contrast wide open at f/4 is good at center and moderate out to the corners. Stopping down to f/8 is highly worthwhile, with a major boost in micro contrast. Given the very large coverage of 67mm (vs 43mm for the 35mm format), this performance is very strong.
Article continues for subscribers...
Diglloyd Medium Format is by yearly subscription. Subscribe now for about 27 cents a day ($100/year).
BEST DEAL: get full access to ALL 7 PUBLICATIONS for only 68 cents a day ($249.95)!
These systems are hugely expensive, so make the right choice for your own needs (full frame vs medium format).
- In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
- How to configure menus and buttons and best operating practices, gotchas and how-to.
- Real world examples with insights found nowhere else. Make sharper images just by understanding lens and camera behaviors.
- Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to 28 megapixels filling up to 5K display, plus large crops.
- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.