Sony HVL-MT24AM Operating Instructions Manual page 266

Macro twin flashkit
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‫ﺍﻟﻌﺎﺩﻳﺔ ﺗﻘﻮﻡ ﺗﻠﻘﺎﺋﻴ ﺎ ﹰ ﺑﻀﺒﻂ ﺷﺪ ﹼ ﺓ ﺇﺿﺎﺀﺓ ﺍﻟﻔﻼﺵ ﻟﺘﻮﻓﲑ ﺍﻟﺘﻌﺮﻳﺾ ﺍﻟﻀﻮﺋﻲ ﺍﻟﺼﺤﻴﺢ‬
‫ﻟﻠﻬﺪﻑ. ﺍﻟﻔﻼﺵ ﺍﻟﻴﺪﻭﻱ ﻳﻌﻄﻲ ﺷﺪ ﹼ ﺓ ﺇﺿﺎﺀﺓ ﺛﺎﺑﺘﺔ ﻟﻠﻔﻼﺵ ﺑﻐﺾ ﺍﻟﻨﻈﺮ ﻋﻦ ﺳﻄﻮﻉ ﺍﳍﺪﻑ ﻭﲥﻴﺌﺔ‬
‫ﰲ ﻭﺿﻊ ﺍﻟﻔﻼﺵ ﺍﻟﻴﺪﻭﻱ، ﺗﻜﻮﻥ ﺃﻗﴡ ﻗﻮﺓ ﻟﻠﻔﻼﺵ ﻫﻲ ﻋﻨﺪ ﲥﻴﺌﺔ ﻣﻨﻈ ﹼ ﻢ ﺍﻟﻔﻼﺵ ﺍﻟﻴﺪﻭﻱ ﻋﲆ‬
‫ﺍﻟﻮﺿﻊ ١/١. ﻛﻞ ﺧﻄﻮﺓ ﻋﲆ ﻣﺴﺘﻮ￯ ﻗﻮﺓ ﺍﻟﻔﻼﺵ ﺗﻨﺎﻇﺮ ﻭﻗﻔﺔ ﻓﺘﺤﺔ ﻋﺪﺳﺔ ﻭﺍﺣﺪﺓ. ﺗﻐﻴﲑ ﺍﻟﺘﻬﻴﺌﺔ‬
‫ﺑﻤﻘﺪﺍﺭ ﻭﻗﻔﺔ ﻭﺍﺣﺪﺓ، ﻋﲆ ﺳﺒﻴﻞ ﺍﳌﺜﺎﻝ ﻣﻦ ١/١ ﺇﱃ ٢/١، ﻳﻌﺎﺩﻝ ﺧﻔﺾ ﻓﺘﺤﺔ ﺍﻟﻌﺪﺳﺔ ﺑﻤﻘﺪﺍﺭ ﻭﻗﻔﺔ‬
‫. ﰲ ﺍﻷﻭﺿﺎﻉ ﺍﻷﺧﺮ￯، ﻳﺘﻢ‬
‫ﺑﲈ ﺃﻥ ﺍﻟﻔﻼﺵ ﺍﻟﻴﺪﻭﻱ ﻻ ﻳﺘﺄﺛﺮ ﺑﻘﺎﺑﻠﻴﺔ ﺍﻧﻌﻜﺎﺱ ﺍﻟﻀﻮﺀ ﻋﻦ ﺍﳍﺪﻑ ﻟﺬﺍ ﻓﻬﻮ ﻋﻤﲇ ﻟﻼﺳﺘﻌﲈﻝ ﻣﻊ‬
‫ﻣﻌﺎﻳﺮﺓ ﺍﻟﻔﻼﺵ ﺍﻟﻴﺪﻭﻱ‬
( ‫ﺑﺤﻴﺚ ﻳﻀﺎﺀ ﻣﺼﺒﺎﺡ )ﺿﺒﻂ ﺍﻟﻔﻼﺵ ﻳﺪﻭﻳ ﺎ ﹰ‬
.
M
‫ﺗﺘﻐﲑ ﹼ ﺍﻷﻭﺿﺎﻉ ﺣﺴﺐ ﺍﻟﱰﺗﻴﺐ ﺍﻟﺘﺎﱄ. )ﺍﻟﻔﻼﺵ ﺍﻻﺧﺘﺒﺎﺭﻱ )ﺹ ٩٣(، ﻓﻼﺵ ﺍﻟﻌﺎﺭﺿﺎﺕ )ﺹ‬
٣١
‫ﻻ ﻳﻤﻜﻦ ﺍﺳﺘﻌﲈﻝ ﺍﻟﻔﻼﺵ ﺍﻟﻴﺪﻭﻱ ﺇﻻ ﻋﻨﺪﻣﺎ ﺗﻜﻮﻥ ﺍﻟﻜﺎﻣﲑﺍ ﰲ ﺍﻟﻮﺿﻊ‬
M
.‫ﺍﻷﻫﺪﺍﻑ ﺫﺍﺕ ﻗﺎﺑﻠﻴﺔ ﺍﻻﻧﻌﻜﺎﺱ ﺍﻟﺸﺪﻳﺪﺓ ﺍﻻﺭﺗﻔﺎﻉ ﺃﻭ ﺍﻻﻧﺨﻔﺎﺽ‬
‫ﺍﻟﻔﻼﺵ ﺍﻟﻴﺪﻭﻱ‬
(M)
/٥٫٦ ‫ﺇﱃ‬
/٤ ‫ﻭﺍﺣﺪﺓ، ﻋﲆ ﺳﺒﻴﻞ ﺍﳌﺜﺎﻝ ﻣﻦ‬
.
f
f
. ‫ﺗﻠﻘﺎﺋﻴ ﺎ ﹰ‬
‫ﻣﻌﺎﻳﺮﺓ ﻓﻼﺵ‬
.‫ﻋﲆ ﺍﻟﻜﺎﻣﲑﺍ‬
‫ﻗﻢ ﺑﺎﺧﺘﻴﺎﺭ ﺍﻟﻮﺿﻊ‬
M
TTL/M/Test
‫ﻣﻌﺎﻳﺮﺓ ﻓﻼﺵ‬
TTL
.‫ﺍﻟﻜﺎﻣﲑﺍ‬
‫ﺍﺧﺘﻴﺎﺭ ﻗﻴﺎﺱ‬
TTL
TTL
1
2
‫ﺍﺿﻐﻂ ﺍﻟﺰﺭ‬
((٤٠

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