User manual | smc-DA - Pentax

smc-DA
STANDARD LENS
40mm / 2.8 AL Limited Edition
Art. No.
21550
Barcode
0027075111004
Manual
Focus
Autofocus
Digital
Cameras
>
Optimised for use with digital cameras
>
Standard lens for universal usage
>
Equivalent to 60mm in 35mm film format
• 5 Elements / 4 Groups
>
Special flat-design lens
Minimum Aperture
>
“Quick Shift Focus System” for quickly
Angle of View
• 39°
63mm
Construction
• 22
Focusing Range
switching between AF and MF
• 40cm to infinity
15mm
Attention: this lens is designed exclusively for use on
Magnification
PENTAX digital cameras.
• approx. 1:7.7 (0.13x)
Filter Size
Standard Accessories
Front Cap
• E49
Art. No. 31702
Rear Cap
Art. No. 31006
Weight
Lens hood MH-RB49
Art. No. 38742
• 90g
Case
Art. No. 33944
Depth of Field Table
Application
The smc-DA series of lenses are specifically designed
for and are intended to be used with the Pentax
digital SLR cameras. They are designed to optimally
F
0.40
0.60
match the performance of the digital technology and
design of Pentax digital cameras.
1.00
3.00
Along with their normal series of lenses PENTAX
offers very special lenses, which are designed for
2.8
4
5.6
8
11
16
22
0.4
0.4
0.59
0.61
0.96
1.04
2.67
3.43
23.11
∞
0.39
0.41
0.58
0.62
0.95
1.06
2.55
3.65
16.19
∞
0.39
0.41
0.58
0.63
0.93
1.08
2.40
4.00
11.57
∞
0.39
0.41
0.57
0.64
0.90
1.12
2.21
4.67
8.11
∞
0.38
0.42
0.56
0.65
0.87
1.18
2.02
5.92
5.91
∞
0.37
0.43
0.54
0.68
0.82
1.28
1.76
10.71
4.08
∞
0.37
0.44
0.52
0.72
0.77
1.43
1.53
485.58
2.98
∞
meters
∞
high quality without compromise - the Limited
Edition series. Equally important to the excellent
optical characteristics found in this series is the
mechanical design. With the introduction of this
40mm lens PENTAX has added another jewel to their
Limited Edition crown.
Angle of View
Focal length range for digital cameras
20mm
24mm
35mm
50mm
70mm
100mm
135mm
150mm
200mm
300mm
400mm
500mm
The manufacturer reserves the right to changes in technology,
design, equipment and scope of supply without advance notice.
As of January 2005

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project