Pentacon 300 mm f/ 4 Lens ユーザーガイド
A large-aperture, ultra-wide-angle zoom lens
for use with PENTAX K-mount digital SLR cameras
•
15mm Ultra-Wide-angle
•
Bright lens: constant F2.8 aperture
•
HD Coating to optimize light transmittance and minimize reflection
•
Weather Resistant construction against humidity and dust
•
Quiet and fast Supersonic Direct-drive Motor (SDM) to capture
subjects in motion
•
Rounded aperture to offer beautiful Bokeh effect
•
Quick-shift Focus System to instantly change the AF mode to MF
by twisting the focus ring
INCLUDED ACCESSORIES
LENS CAP O-LW98A -
31611
LENS MOUNT CAP K -
31006
LENS SOFT CASE S120-160 -
37749
Facebook.com/RicohImagingUK Twitter.com/RicohImagingUK
www.ricoh-imaging.co.uk
Hotline: +44 (0)870 7368 299
Focal Length
15-30mm
(in 35mm format equivalent)
23-46mm
Maximum Aperture
2,8
Minimum Aperture
22
Lens Construction
18 elements in 13 groups
Angle of View
86º - 50º
(when attached to PENTAX digital SLR cameras)
111º - 72º
(when attached to PENTAX 35mm SLR cameras)
Mount
K
AF3
Minimum Focusing Distance
0.28m
Maximum Magnification
0.20x
Filter Diameter
N/A
Diaphragm Control
Fully automatic
Number of Diaphragm Blades
9 Rounded aperture (15mm: F2.8~F4; 30mm:F2.8~F5.6)
Maximum Diameter x Length
Approx. 98.5mm x 143.5mm
Weight
Approx. 1040g (with hood approx. ???g)
Others
Soft Case, Lens Cap, Lens Mount Cap K
HD PENTAX-D FA
15-30MM F/2.8 ED SDM WR
Art. Code EAN
HD PENTAX-D FA 15-30MM
F/2.8 ED SDM WR
21280
027075296466
OPTIONAL ACCESSORIES
PENTAX LENS PEN -
50166