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H4D
Multi-shot
Multi-shot capability is available with the H4D-200MS and H4D-
50MS models. Apart from regular 1-shot captures, the H4D-50MS
also offers 4-shot captures while the H4D-200MS offers 4- or
6-shot captures. Multi-shot captures are made of the same scene
with the sensor offset very slightly for each shot. The resulting
image shows ultimate color definition and eliminates unwanted
moiré and artefacts.
To make a multi-shot capture, you must work tethered to a
computer and have Hasselblad Phocus running. From the cap-
ture menu simply choose 'Multi-shot' and Phocus takes care of
the operation automatically. The captures are then saved as 3F
files directly into the capture destination folder as normal.
The technology behind the multi-shot feature is high precision
piezo controlled movements of the sensor. In the case of a H4D-
200MS 6-shot capture sequence, for example, four separate shots
are taken in succession in pixel sized increments (one for each
color, but with green captured twice for extra sharpness), fol-
lowed by two more captures moved by half-pixel increments to
fill most of the gaps. These six files are then combined into a sin-
gle, extremely high-resolution image. Apart from the elimination
of unwanted moiré and artefacts, captures taken in multi-shot
mode will be much sharper and contain much more detail than
single-shot images. They therefore will also stand up to much
greater enlargement later in production.
In use, it is essential to ensure that there is no movement in either
the camera or the subject. Therefore the multi-shot capability is
only suitable for tripod/camera stand use for studio-like environ-
ments and stationary subjects such as technical or product shots
and similar under stable lighting conditions. However, in single
shot mode the both models also functions exactly as a standard
model with all the specifications, features and benefits of the
H4D-50.
Download the H4D 200MS and H4D 50MS datasheets from www.
hasselblad.com for a full description.
This image was taken in both 1-shot and 6-shot mode to illustrate the increase in quality that the 6-shot mode produces.
The 6-shot image has finer details and completely lacks the color moiré that can appear in such very small details.
'1-shot' mode
Enlargement of artificial
flower petals taken
from this area.
'6-shot' mode
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