Sony 2-685-154-11(1) دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

Notes on use
2-685-154-11(1)
• Do not leave the lens in direct sunlight. If sunlight is focused onto a nearby
Vignetting
object, it may cause a fire. If circumstances necessitate leaving the lens in direct
When you use lens, the corners of the screen become darker than the center.
sunlight, be sure to attach the lens cap.

To reduce this phenomena (called vignetting), close the aperture by 1 to 2
• Be careful not to subject the lens to mechanical shock while attaching it.
stops.
Lens for Dig

ملخص المحتوى في الصفحة رقم 2

Depth-of-field table (in meters) f/2.8 f/4 f/5.6 f/8 f/11 f/16 f/22 ∞ ∞ ∞ ∞ ∞ ∞ ∞ ∞ 2.87 2.05 1.47 1.06 0.77 0.57 0.42 1.44 1.78 2.72 11.5 ∞ ∞ ∞ 1m 0.77 0.71 0.64 0.56 0.48 0.40 0.33 0.57 0.61 0.67 0.80 1.10 2.55 ∞ 0.5m 0.45 0.43 0.40 0.38 0.34 0.31 0.27 0.31 0.32 0.34 0.36 0.39 0.46 0.63 0.3m 0.28 0.28 0.27 0.26 0.25 0.23 0.22 0.26 0.26 0.27 0.28 0.30 0.33 0.39 0.25m 0.24 0.24 0.23 0.23 0.22 0.21 0.20 0.20 0.20 0.21 0.21 0.22 0.23 0.25 0.2m 0.20 0.19 0.19 0.19 0.18 0.18 0.17  Filter This