|
smc
PENTAX-DA 18-55mm F3.5-5.6AL WR و smc PENTAX-DA 50-200mm
F4-5.6ED WR |
همزمان با
Pentax K-7D دو
لنز نیز
توسط پنتکس معرفی شده است. smc PENTAX-DA 18-55mm F3.5-5.6AL WR
و smc PENTAX-DA 50-200mm F4-5.6ED WR لنز هایی مقاوم در
مقابل نفوذ آب و گرد و غبار ( WR= weather-resistant ) هستند و
واجد پوشش ضد غبار عدسی ( Super-Protect = SP ) نیز میباشند.
smc PENTAX-DA 18-55mm
F3.5-5.6AL WR به قیمت 200 دلار و smc PENTAX-DA 50-200mm F4-5.6ED WR
با قیمت 250 دلارآمریکا در جولای 2009 عرضه خواهند شد
مشخصات
کلی:
|
|
smc PENTAX-DA
18-55mmF3.5-5.6AL WR |
smc PENTAX-DA
50-200mmF4-5.6ED WR |
|
Maximum format size |
APS-C |
APS-C |
|
Focal length |
18-55mm |
50-200mm |
|
Diagonal angle of view
(APS-C) |
76°- 29 °
|
31.5°- 8.1° |
|
Maximum aperture |
F3.5-5.6 |
F4.5-6 |
|
Minimum aperture |
F22-38 |
F22-32 |
|
Lens Construction |
• 11 elements/ 8 groups
• 1 aspherical element
• 1 super-low
dispersion element |
• 11 elements/ 10
groups
• 1 extra-low
dispersion element |
|
Number of diaphragm
blades |
6 |
6 |
|
Minimum focus |
0.25m (0.82 ft.) |
1.1m (3.6mft.) |
|
Maximum magnification |
0.34x
|
0.24x |
|
Filter thread |
52mm |
49mm |
|
Supplied accessories |
• Front and rear caps
• Lens hood PH-RBC 52mm |
• Front and rear caps
• Lens hood PH-RBD 49mm |
|
Weight |
230 g (8.1 oz) |
285 g (10.1 oz) |
|
Dimensions |
68.5mm diameter x
67.5mm length
(2.7 x 2.7 in) |
69mm diameter x 79.5mm
length
(2.7 x 3.1 in) |
|
Lens Mount |
PENTAX K-AF mount |
PENTAX K-AF mount |
|
