RICOH HD DFA 70-210 User Manual

HD PENTAX-D FA

70-210mm F4 ED SDM WR

EANART. CODEDESCRIPTION

HD PENTAX-D FA | 21217 | 0027075300804
70-210mmF4ED SDM WR

HD PENTAX-D FA 70-210mm F4 ED SDM WR:
A telephoto zoom lens for use with
K-mount digital SLR cameras, featuring the
latest HD Coating to further upgrade image

quality, and a totally redesigned body

• Compact, lightweight zoom lens with outstanding portability

• HD Coating to enhance imaging power

• Weather-resistant construction, perfect for outdoor photography

• SP Coating to repel stains

• Built-in SDM

FOCAL LENGTH

MAXIMUM APERTURE

MINIMUM APERTURE

LENS CONSTRUCTION

ANGLE OF VIEW (DIAGONAL)

MOUNT

MINIMUM FOCUSING DISTANCE

MAXIMUM MAGNIFICATION

FILTER DIAMETER

DIAPHRAGM CONTROL

NUMBER OF DIAPHRAGM BLADES

WATER / DUST PROTECTION

TEMPERATURE

HUMIDITY

MAXIMUM DIAMETER X LENGTH

WEIGHT

70-210mm
Equivalent to 107-322mm in 35mm format (when attached to PENTAX APS-C size DSLR cameras)

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F4
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F32
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20 elements in 14 groups
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34.5° – 11.8° (when attached to PENTAX 35mm full-frame SLR cameras)
23° – 7.7° (when attached to PENTAX APS-C size DSLR cameras)

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KAF4
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0.95m (3.1ft.)
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0.32x
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67mm
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Electromagnetic diaphragm, fully automatic
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9, rounded diaphragm（F4-F9.5 ）
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7 sealing rings
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-10°C〜40°C (14°F〜104°F)
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85% or less (no condensation)
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approx. 78.5mm x 175mm (approx. 3.1in. x 6.9in.)
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approx. 819g / with hood approx. 859g, (approx. 28.9oz. / with hood approx. 30.3oz.)
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Included Accessories

• Lens Hood PH-RBP67 37668 | 027075300811

• Lens Cap O-LC67 31521 | 027075129825

• Lens Mount Cap K 31006 | 027075006508

Optional Accessories

• Soft Case S100-200 37752 | 027075146013

www.ricoh-imaging.co.ukHotline: [phone] Twitter.com/RicohImagingUKFacebook.com/RicohImagingUK

HD PENTAX-D FA

70-210mm F4 ED SDM WR

HD PENTAX-D FA 70-210mm F4 ED SDM WR

A compact, lightweight, high-performance
telephoto zoom lens for use with 35mm
full-frame DSLR cameras

Designed for use with PENTAX K-mount digital SLR cameras, this high-performance
telephoto zoom lens features a compact, lightweight body with weather-resistant
construction for great portability in a variety of outdoor applications.

1. Compact, lightweight zoom lens with outstanding portability

Despite its compact, lightweight design weighing approximately 819 grams, this zoom
lens covers the image circle of 35mm full-frame digital SLRs, and provides a focal length
range of 70mm to 210mm to facilitate handheld outdoor photography. When mounted
on an APS-C-format camera, its focal length range is extended to the equivalent of
107mm to 322mm in the 35mm format. Coupled with its compact, lightweight body, it
can be easily integrated in any APS-C-format camera system. In its 20-element, 14-group
optics, it incorporates three ED (Extra-low Dispersion) glass elements and two anomalous
dispersion glass elements to deliver high-contrast, high-resolution images with
edge-to-edge sharpness, while effectively compensating for distortion and chromatic
and coma aberrations. In addition to a short minimum focusing distance of 0.95 meters,
the lens barrel was designed to be extension-free during AF operation to keep the
overall dimensions intact. This allows the photographer to enjoy active field photo­graphy in a wide range of outdoor applications, including scenic photography, town­scape shooting utilizing a beautiful bokeh (defocus) effect in the fore- and background,
close-up photography of animals and plants, and sports and wildlife photography
where its outstanding portability really comes in handy.

2. HD Coating to enhance imaging power

This lens features PENTAX’s latest HD Coating.* Compared to conventional multi­layer coatings, this high-grade, multi-layer coating not only improves light trans­mittance but also reduces average reflectance in the visible light range by more
than 50 percent, minimizing the adverse effects of flare and ghost images even
in demanding lighting conditions such as backlighting.

3. Weather-resistant construction, perfect for outdoor photography

This zoom lens features a weather-resistant construction to prevent the intrusion of
water into the lens barrel. When mounted on a PENTAX weather-resistant digital SLR
camera body, it assures a durable, reliable digital imaging system that performs superbly
in demanding shooting settings — even in rain or mist, or at locations prone to water
splashes or spray.

4. SP Coating to repel stains

This lens features SP (Super Protect) Coating on its front surface. Applied by means
of a PENTAX-exclusive fluorine deposition process, this coating is highly repellent
to water, grease and dirt, making it easy to wipe off stains such as fingerprints.
This frees the photographer from worries in outdoor photography.

The MTF of high frequency wave (30 lines)
possess high level from the center. Especially
at the tele side, the high level is maintained
till the edge. Also, the MTF of the sagittal and
meridional lie aside keeping the level high
with less image flow from center to the edge
phenomenon.

What is MTF Curve?

MTF (Modulation Transfer Function) is one of
the index to grade the lens quality. What it
does is to scale the contrast of the subject and
express it with space frequency.

MTF curve mentioned in this presentation is
express as following. Vertical stands for
contrast, horizontal stands for the distance
from the image center. We align two types of
space frequency. One is low-frequency wave
which is 10 lines/mm , and high-frequency
wave which is 30 lines/mm. In the graph, MTF
of S direction (sagittal direction, radiation
direction) is in solid line and M direction
(meridional direction, concentric circle
direction) is in dash line.

It is generally said that when the MTF of
low-frequency wave is high, the lens is very
clear, and when the MTF of high-frequency
wave is high, the lens is very sharp and high
resolution.

5. Built-in SDM

This lens incorporates a ring-type SDM (Supersonic Direct-drive Motor) to assure
quiet, high-speed AF operation and improve operability in outdoor shooting.

6. Other features

・ Quick-Shift Focus System, to provide instant shift to manual-focus operation after

locking the subject in focus during AF operation by pressing the shutter-release
button halfway down; usable at any time during AF operation

・ Two-step focus range limiter, to minimize AF operation time
・ Nine-blade, round-shaped diaphragm, to produce a natural, beautiful bokeh

defocus) effect, while minimizing the streaking effect of point light sources

・ Electromagnetic diaphragm control,* to provide high-precision exposure control

during video shooting

* Available when mounted on a PENTAX K-1 Mark II, K-1, K-3 II, K-3, KP,
K-70, K-50, K-S2 or K-S2 camera body

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