HASSELBLAD哈苏HTS数据手册.pdf
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Specication subject to change without notice. www.hasselblad.com
1
DATASHEET
HTS 1.5 – TILT AND SHIFT ADAPTER
The revolutionary HTS 1.5 is a tilt and shift adapter that can
provide a pivotal step-up for many Hasselblad photographers.
Designed for the HCD24mm, HCD28mm, HC35mm, HC50mm,
HC80mm and the HC100mm lenses it, in effect, adds six
different “tilt and shift lenses” to the range. With the extension
tubes, H13, H26 or H52, the HTS 1.5 can also be used for
close-up work. Especially in combination with the Macro
Adapter that improves the close range performance with the
HC 50-II lens.
This simple device solves not only technical challenges, but
also provides exciting opportunities for creative solutions
as well. The combination of well-known optical principles
combined with the latest in digital image control, provides a
powerful package that will expand photographic expression to
new levels.
“Shift” is the moving of a lens, up and down or to the sides, from
its central position while retaining its perpendicular orientation to
the lm plane. Simply put, the adapter expands the diameter of
the projected image circle at the lm plane. This allows for much
greater freedom in “placing” the image area within the now much
broader circle before vignetting takes effect. And most importantly,
all this happens without moving the orientation of the camera in
relation to the subject. So if verticals, for example, are acceptable
in the viewnder, they will remain so whatever the amount of shift to
include the “hidden” parts of the image. Simple but ingenious.
“Tilt” differs from shift in that the normal perpendicular
orientation of the lens to the lm plane is changed resulting in a
change in the plane of focus. This means that at any given aperture/
focus setting, the depth of eld in the subject will not remain as
simply the space between two measured points from the camera
as is normally the case, but increased or decreased. This amount is
user controlled. Once again, simple but ingenious.
By combining these two laws of physics, the doors of creative
solutions are thrown wide open. The list of situations that could
advantageously exploit tilt and shift is probably longer than it
might rst appear to be. For some professional photographers it
could rapidly become an essential item for all work.
But the story doesn’t end there. Large-format users have been
using tilt and shift for many years, partly because they could,
but partly because they had to. Some photographic solutions
unfortunately, have also created problems, lens edge performance,
for example, being one of them. The dilemma that arose forced
photo graphers to nd a compromise, between the “illness” and
the “cure”. Hasselblad has now eradicated this dilemma.
With the introduction of Digital Lens Corrections where images
processed in Phocus are automatically corrected regardless of HTS
adapter setting (H cameras only), signicant improvements strike
the viewer immediately. All calculations and adjustments take
place in the background monitored and governed by sensors in
the adapter. The sharpness at the edge of the frame, despite the
fact that the lens is pushed to its limits, remains stunning.
On the creative front, it has long been standard practice for
photo graphers to break the rules in order to produce images
that show something just a little different. Large-format users
were well-acquainted with the imaginative possibilities that arose
from making the “wrong” camera or lens movements. And now
Hasselblad users can enjoy this stimulating freedom as well.
Fascinating and captiva ting images are easily conjured up and
controlled with just a few slight movements. The combination
of large sensors and razor sharp lenses – and now tilt and shift
possibilities – Hasselblad has brought some of the creative aspect
of former large-format world to the digital medium format.
Take a look at this revolutionary accessory at your nearest
Hasselblad dealer. Try it yourself out to see how this new product
could rapidly become an essential part of your photography
toolkit. The powerful combination of tilt, shift and Digital Lens
Corrections can bring new perspectives to your photographic
vision and provide a marked change in both the technical and
creative aspects of your work.
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