Hasselblad H4D-31 V1 DATASHEET
DIGITAL CAMERAS
The H4D-31 is often the rst step into the world of professional-
level digital Hasselblad photography for many. Though economi-
cal in cost it is not economical on performance. The H4D-31
lists all of the main features that characterize all the other
H system models. In short, that means True Focus with Abso-
lute Position Lock, rening the auto-focus system for accurate
composing at close range with shallow depth-of-eld and the
security of UltraFocus. Features such as new low noise color
lters on the sensor and the high performance HC/HCD lens
line, provide the basis for increased clarity and increased depth
of eld. The Hasselblad Natural Color Solution (HNCS) achieves
consistent color reproduction using a single color prole, and
digital lens correction (DAC), perfects each image captured
through the HC/HCD lenses, by removing any trace of distor tion,
vignetting, or chromatic aberrations. The H4D-31 also shares
the same unique bright viewnders as all the other H4D models
and shares the same wide choice of accessories as well as
the wide range of quality lenses matching even the best lenses
from Carl Zeiss, which, incidentally can also be used via the CF
Adapter. For budget conscious users wanting to maximise their
investment without compromising on quality, there would be no
better way to enter the world of Hasselblad H photography.
Raising the bar from H3D
Expanding on the great feature set of the H3D camera-line, a set of
new camera features are introduced with the H4D-31:
• new 3” TFT 24bit color display with large viewing angle
• new camera electronics delivering the basis for True Focus and
ultra fast Auto Focus
• new True Focus auto-focus system with Absolute Position Lock
and new camera controls
• new AF assist
• new
90
from Sandisk
light
for working in dark environments
MB/sec read-write performance on Extreme Pro cards
The H4D-31 camera system has been especially designed to meet
demands for both exibility and ultimate image quality.
This includes:
• the freedom to choose between eye-level and waist-level view-
nders
• the choice of combining point-and–shoot and tilt/shift to solve
creative commercial challenges
• the ability to combine working tethered and un-tethered to get
the most of your camera system both on location and in the
studio
• the option of processing your raw images in Hasselblad’s
Phocus imaging toolbox, or working with your raw images directly
in Apple or Adobe imaging environments.
www.hasselblad.com
DIGITAL CAMERAS
Medium Format digital capture advantage
In digital photography, the advantages of large format cameras have
become even more obvious. The basic 6×4.5 cm design allows the
H4D-31 to use
one of
the largest image sensors currently available
in digital photography. The H4D-31 features CCD sensor measur-
ing
33.1 × 44.2mm
- almost twice the
physical
size of the largest
35mm DSLR sensors. Consequently the sensor holds more and
larger pixels, which deliver the highest possible image quality with-
out gradation break-ups in even the nest lit surfaces. Basic ISO
rating is from ISO 100 to ISO 1600.
The H4D-31 makes use of a new high speed capture architecture
capturing full size, compressed 40Mbyte images at the rate of 1.2
seconds per capture, working either mobile or tethered to a com-
puter.
The combination of these features makes the H4D-31 the natu-
ral choice for the professional commercial photographer wanting
to work with the highest image quality within a camera system that
supports ultimate creative expression in order to deliver outstand-
ing images to satisfy the most demanding customer.
An impressive lens line outperforming the Carl Zeiss icons
The highly renowned HC/HCD lens line includes 11 Auto-Focus
lenses, all with central lens shutters. Range is from 28mm to
300mm, 50-110mm zoom, 35-90mm zoom and 1.7X converter. The
built-in central lens shutter allows ash to be used at all shutter
speeds down to 1/800s. It also improves image quality by reducing
camera vibration.
The HTS 1.5 tilt/shift adapter delivers an easy to use, portable tilt/
shift solution for 5 HC/HCD lenses ranging from 28mm to 100mm.
The CF adapter allows use of the classic CF-lenses from the Hassel-
blad V-camera, with full use of their central shutters, allowing ash
to be employed at shutter speeds
down
to 1/500s. And thanks to
the large format of the H System cameras, there is a considerably
shallower depth of eld range, making it much easier to utilize selec-
tive focus to creative effect.
H4D-31 takes full benefit from all the flexibility
of the impressive H camera system.
A choice of bright viewnders
One of the important traditional advantages of the medium format is
the extra-large and bright viewnder image, enabling extremely pre-
cise compositions and easy operation in dim lighting. The H4D-31
comes with the HVD 90x viewnder designed for full performance
over the large sensor. Hasselblad has added an interchangeable
waist-level viewnder, the HVM, for the entire range of H system
cameras. The bright and large viewnder image is ideal for creative
composing and the photographer is able to shoot in the fashion that
suits them most; maintaining eye contact with the model, or gaining
impact by shooting from a point lower than eye-level, for example.
Hasselblad’s unique natural colors
Hasselblad’s Natural Color Solution (HNCS) enables you to produce
outstanding and reliable out-of-the-box colors, with skin tones, spe-
cic product colors and other difcult tones reproduced easily and
effectively. In order to incorporate our new unique HNCS and DAC-
features we have developed a custom Hasselblad raw le format
called 3F RAW (3FR). This le format includes lossless image com-
pression, which reduces the required storage space by 33%. The
3FR les can be converted into Adobe’s raw image format DNG
(‘Digital Negative’), bringing this new technology standard to the
professional photographer for the rst time.
Extension Tubes
H13, H26, H52mm
DC Power Grip
Built-in
Fill Flash
SCA3902
TTL ash
adapter
Accessory range
(Focusing screens, Tripod
quick coupling,
Hand Strap etc.)
Converter
H1.7x
HC
4.5/300
HC
4.0/210
HC
3.2/150
HC Macro
4.0/120
2.2/100
Proshade,
Lens Shades
Full range
HC
2.8/80
of classic
V lenses
with CF
adapter
HC
Global Image Locator
(GPS accessory)
Central Lens
Shutter in all
lenses
(including
V lenses)
HC
3.5/50
HTS 1.5
Tilt/Shift
Adapter
3.5-4,5/
50-110
Instant
Manual focus
override
HCD
4.0-5.6/
35-90
HC
Battery Grip
HV 90x-II
Eye Level
Viewnder
Fast In-Lens
Autofocus
HCD
4.0/28
HC
3.5/35
Extra
HVM
Waist Level
Virender
Spare Body
View camera
operation
H4D
www.hasselblad.com
DIGITAL CAMERAS
True Focus and Absolute Position Lock
True Focus helps solve one of the most lingering challenges that
faces serious photographers today: true, accurate focusing through-
out the image eld. Without multi-point auto-focus a typical auto-
focus camera can only correctly measure focus on a subject that
is in the center of the image. When a photographer wants to focus
on a subject outside the center area, they have to lock focus on the
subject and then re-compose the image. In short distances espe-
cially, this re-composing causes focus error, as the plane of focus
sharpness follows the camera’s movement, perpendicular to the
axis of the lens.
The traditional solution for most DSLR
the camera with a multi-point AF sensor. These sensors allow the
photographer to x an off-center focus point on an off-center sub-
ject, which is then focused correctly. Such multi-point AF solutions
are often tedious and inexible to work with. Due to the physics of
an SLR-camera, the off-center focus points that are offered are all
clustered relatively close to the center of the image. To set focus
outside of this center area, the photographer is still forced to focus
rst, and then shift the camera to reframe, with the resulting loss
of focus as a result.
To overcome this problem, Hasselblad has used modern yaw rate
sensor technology to measure angular velocity in an innovative
way. The result is the new Absolute Position Lock (APL) processor,
which forms the foundation of Hasselblad’s True Focus feature.
cameras
has been to equip
The APL processor accurately logs camera movement during any
re-composing, then uses these exact measurements to calculate
the necessary focus adjustment, and issues the proper commands
to the lens’s focus motor so it can compensate. The APL processor
computes the advanced positional algorithms and carries out the
required focus corrections at such rapid speed that no shutter lag
occurs. The H4D’s rmware then further perfects the focus using
the precise data retrieval system found on all HC/HCD lenses.
The plane of focus changes when the camera is tilted for composition.
The middle image shows the result when not using True Focus. While this image looks relatively
sharp, the rightmost image where True Focus has been used, is razor sharp.
Photo: Marcel Pabst
www.hasselblad.com
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