Sony HVL-MT24AM Operating Instructions Manual page 269

‫، ﺃﻭ ﻋﻨﺪ ﺍﺳﺘﻌﲈﻝ ﻟﻮﺣﺔ‬
‫ﲢﻘﻖ ﻣﻦ ﻣﺪﻯ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺍﳌﻘﺒﻮﻝ ﺍﳌﺤﺴﻮﺏ ﰲ ﻧﻔﺲ ﺍﻟﻈﺮﻑ ﻣﻊ ﴎﻋﺔ‬
ISO 100
‫ﺃﻭ ﻋﻨﺪ ﺍﺳﺘﻌﲈﻝ ﺍﻟﻠﻮﺣﺔ‬
‫ﻣﺴﺘﺨﺪﻣ ﺎ ﹰ‬ ‫ﺣﻘﻖ ﻣﻦ ﻣﺪﻯ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺍﳌﻘﺒﻮﻝ ﺍﳌﺤﺴﻮﺏ ﺑﺎﺳﺘﻌﲈﻝ ﺗﺪﺭﻳﺞ ﻭﻗﻔﺎﺕ‬
f/stop
‫ﺍﺳﺘﺨﺪﻡ ﻧﺘﻴﺠﺔ ﺍﳋﻄﻮﺓ ٣ ﳌﺪﻯ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺍﻟﻔﻌﲇ ﳍﺬﻩ ﺍﻟﻌﺪﺳﺔ ﺑﺎﻟﺬﺍﺕ ﻭﻗﻢ ﺑﺎﺧﺘﻴﺎﺭ ﺍﳌﺪﻯ‬
‫ﻭﺯﻭﺝ ﻣﻦ ﻭﺣﺪﺍﺕ ﺍﻟﻔﻼﺵ ﺍﳌﺰﺩﻭﺝ ﺩﻭﻥ‬
‫، ﻣﻊ‬
50mm F2.8 Macro
.
ISO 100
‫ﻭﻣﺒﺪ ﹼ ﺩ ﺿﻮﺀ ﻭﺫﻟﻚ ﺑﺎﻟﺮﺟﻮﻉ ﺇﱃ ﺍﳉﺪﻭﻝ ﰲ‬
.(٢٧ ‫٥٫١ ﻭﻗﻔﺔ )ﺭﺍﺟﻊ ﺍﳉﺪﻭﻝ ﰲ ﺻﻔﺤﺔ‬
‫. ﻭﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺍﻟﺘﻲ‬
‫ﺑﺤﻴﺚ ﺃﻥ ﺍﳊﺪ‬ /٣٢ ‫ﺇﱃ‬
f
.‫ﻳﺘﺠﺎﻭﺯ ﺍﳌﺪ￯ ﺍﻟﺬﻱ ﻳﻤﻜﻦ ﺿﺒﻄﻪ‬
/٣٢ ‫ﺇﱃ‬
.
f
‫ﺍﺧﺘﻴﺎﺭ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﻋﻨﺪ ﺍﺳﺘﻌﲈﻝ ﴎﻋﺔ ﻏﲑ‬
ISO 100
‫ﲢﻘﻖ ﻣﻦ ﺍﻟﻀﺒﻂ ﺍﻹﺿﺎﰲ ﻋﻨﺪ ﺍﺳﺘﻌﲈﻝ ﴎﻋﺔ ﻏﲑ‬
ISO 100
.٢٧ ‫ﺍﻟﻌﺮﻳﻀﺔ ﺃﻭ ﻣﺒﺪ ﹼ ﺩ ﺍﻟﻀﻮﺀ ﻭﺫﻟﻚ ﺑﺎﺳﺘﻌﲈﻝ ﺍﳉﺪﻭﻝ ﺍﻟﻮﺍﺭﺩ ﰲ ﺻﻔﺤﺔ‬
ISO 200
‫ﺭﺍﺟﻊ ﻣﺪ￯ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺍﳌﺤﺴﻮﺑﺔ ﺍﻟﺘﻲ ﻳﻤﻜﻦ ﻗﺒﻮﳍﺎ ﻋﻨﺪ ﺍﺳﺘﻌﲈﻝ ﻋﺪﺳﺔ‬
‫ﺍﺛﻨﺘﲔ ﻣﻦ ﻭﺣﺪﺍﺕ ﺍﻟﻔﻼﺵ ﺍﳌﺰﺩﻭﺝ ﺩﻭﻥ ﺫﺭﺍﻉ ﻭﺑﻨﺴﺒﺔ ﺗﻜﺒﲑ ٢:١ ﻭﺑﺤﺴﺎﺳﻴﺔ‬
(٢٦ ‫)ﺭﺍﺟﻊ ﺍﳉﺪﻭﻝ ﰲ ﺻﻔﺤﺔ‬
/٤٫٥ ‫ﺗﺴﺎﻭﻱ‬ /٨ ‫٥٫١ ﻭﻗﻔﺔ ﻣﻦ‬
f f
/١٠٨ ‫ﺗﺴﺎﻭﻱ‬
.
f
/٢٫٨ ‫ﻫﻮ ﻣﻦ‬
f
/١٠٨ ‫، ﺃﻱ ﺃﻥ‬
f
/٤٫٥ ‫ﻭﺑﺎﻟﺘﺎﱄ ﻳﻜﻮﻥ ﺍﳌﺪ￯ ﺍﻟﻘﺎﺑﻞ ﻟﻼﺳﺘﻌﲈﻝ ﻟﺘﺤﻘﻴﻖ ﻧﺘﺎﺋﺞ ﻣﺮﺿﻴﺔ ﻫﻮ ﻣﻦ‬
f
.٢٦ ‫ﺑﺎﺳﺘﻌﲈﻝ ﺍﳉﺪﻭﻝ ﺍﻟﻮﺍﺭﺩ ﰲ ﺻﻔﺤﺔ‬
.‫ﺍﻟﻘﺎﺑﻞ ﻟﻼﺳﺘﻌﲈﻝ ﻟﺘﺤﻘﻴﻖ ﻧﺘﺎﺋﺞ ﻣﺮﺿﻴﺔ‬
‫ﻋﻨﺪ ﺍﺳﺘﻌﲈﻝ ﻋﺪﺳﺔ‬
50mm F2.8 Macro
‫ﺫﺭﺍﻉ ﻭﺑﻨﺴﺒﺔ ﺗﻜﺒﲑ ٢:١ ﻭﺑﺤﺴﺎﺳﻴﺔ‬
‫ﲢﻘﻖ ﻣﻦ ﺍﻟﻀﺒﻂ ﺍﻹﺿﺎﰲ ﻋﻨﺪ ﺍﺳﺘﻌﲈﻝ ﴎﻋﺔ‬
ISO 200
‫ﻗﻢ ﺑﺰﻳﺎﺩﺓ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺑﻤﻘﺪﺍﺭ‬
+
‫ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺍﻟﺘﻲ ﲤﺖ ﺯﻳﺎﺩﲥﺎ ﺑﻤﻘﺪﺍﺭ‬
+
/١٨٠ ‫٥٫١ﻭﻗﻔﺔ ﻣﻦ‬
f
‫ﻣﺪ￯ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺍﻟﻔﻌﲇ ﻟﻌﺪﺳﺔ‬
50mm F2.8 Macro
/١٠٨ ‫ﺇﱃ‬ /٤٫٥ ‫ﺍﻷﻋﲆ ﻟﻠﻤﺪ￯ ﺍﳌﻌﺪﻝ ﻫﻮ ﻣﻦ‬
f f
‫ﻋﺮﻳﻀﺔ ﺃﻭ ﻣﺒﺪ ﹼ ﺩ ﺿﻮﺀ‬
.٢ ‫ﻧﺘﺎﺋﺞ ﺍﳋﻄﻮﺓ ١ ﻭﺍﳋﻄﻮﺓ‬
/١٨٠ ‫ﺇﱃ‬ /٨ ‫ﻣﻦ‬
f f
.٢٧ ‫ﺻﻔﺤﺔ‬
‫ﲤﺖ ﺯﻳﺎﺩﲥﺎ ﺑﻤﻘﺪﺍﺭ‬
+
1
2
3
4
:‫ﻣﺜﺎﻝ‬
1

2

3
4
٢٨