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RUS-7
3. ç‡ÒÚÓÈ͇ ˝ÍÒÔÓÁˈËË
ì‚Â΢ÂÌËÂ Ë ˝ÙÙÂÍÚË‚ÌÓ f-˜ËÒÎÓ
á̇˜ÂÌË ‰Ë‡Ù‡„Ï˚, ÔÓ͇Á˚‚‡ÂÏÓ ̇
ÙÓÚÓ͇ÏÂÂ, Ô‰ÔÓ·„‡ÂÚ, ˜ÚÓ ÙÓÍÛÒ Ì‡ÒÚÓÂÌ
̇ ·ÂÒÍÓ̘ÌÓÒÚ¸. Ç ‰ÂÈÒÚ‚ËÚÂθÌÓÒÚË
‰Ë‡Ù‡„χ (˝ÙÙÂÍÚË‚ÌÓ f-˜ËÒÎÓ) ·Û‰ÂÚ ÚÂÏÌÂÂ
(˝ÙÙÂÍÚË‚ÌÓ f-˜ËÒÎÓ Û‚Â΢ËÚÒfl) ̇ ·ÓÎÂÂ
·ÎËÁÍËı ‡ÒÒÚÓflÌËflı ÙÓÍÛÒËÓ‚ÍË (Û‚Â΢ÂÌËÂ
Û‚Â΢˂‡ÂÚÒfl). ùÚÓ Ì ‚˚Á˚‚‡ÂÚ ÔÓ·ÎÂÏ ‰Îfl
˝ÍÒÔÓÁˈËË ‚ ÌÓχθÌ˚ı ÂÊËχı ÙÓÚÓÒ˙ÂÏÍË.
é‰Ì‡ÍÓ ‰Îfl ÙÓÚÓÒ˙ÂÏÍË ÍÛÔÌ˚Ï Ô·ÌÓÏ ÌÂθÁfl
ÔÓÒÚÓ Ë„ÌÓËÓ‚‡Ú¸ ËÁÏÂÌÂÌËfl ˝ÙÙÂÍÚË‚ÌÓ„Ó
f-˜ËÒ·.
ÖÒÎË Ç˚ ÔÓθÁÛÂÚÂÒ¸ ‚̯ÌËÏ Û˜Ì˚Ï
˝ÍÒÔÓÌÓÏÂÚÓÏ ‰Îfl ̇ÒÚÓÈÍË ˝ÍÒÔÓÁˈËË, Ç˚
‰ÓÎÊÌ˚ Û˜ËÚ˚‚‡Ú¸ Á̇˜ÂÌËfl Ù‡ÍÚÓ‡
˝ÍÒÔÓÁˈËË, Û͇Á‡ÌÌ˚ ‚ ÒÎÂ‰Û˛˘ÂÈ Ú‡·ÎˈÂ.
ÑÎfl ‡Ò˜ÂÚ‡ ˝ÙÙÂÍÚË‚ÌÓ„Ó f-˜ËÒ· ÔÓθÁÛÈÚÂÒ¸
ÒÎÂ‰Û˛˘ÂÈ ÙÓÏÛÎÓÈ:
ùÙÙÂÍÚË‚ÌÓ f-˜ËÒÎÓ = f-˜ËÒÎÓ x (ä‡ÚÌÓÒÚ¸
Û‚Â΢ÂÌËfl + 1)
ç‡ÔËÏÂ, ÂÒÎË Ì‡ ÙÓÚÓ͇Ï ÓÚÓ·‡Ê‡ÂÚÒfl
Á̇˜ÂÌË ‰Ë‡Ù‡„Ï˚ f/2,8 ÔË Í‡ÚÌÓÒÚË
Û‚Â΢ÂÌËfl 1x, ˝ÙÙÂÍÚË‚ÌÓ f-˜ËÒÎÓ ÒÓÒÚ‡‚ËÚ f/5,6.
ç‡ÒÚÓÈ͇ ˝ÍÒÔÓÁˈËË
臂ËθÌÓ Á̇˜ÂÌË ˝ÍÒÔÓÁˈËË ÔË ÙÓÚÓÒ˙ÂÏÍÂ
ÍÛÔÌ˚Ï Ô·ÌÓÏ ‚ Á̇˜ËÚÂθÌÓÈ ÒÚÂÔÂÌË Á‡‚ËÒËÚ ÓÚ
Ó·˙ÂÍÚ‡ Ò˙ÂÏÍË. èÓ˝ÚÓÏÛ ÔÓÒÚ‡‡ÈÚÂÒ¸ ÓÔ‰ÂÎËÚ¸
ÌÛÊÌÓ Á̇˜ÂÌË ˝ÍÒÔÓÁˈËË ÔÓ¯‡„Ó‚Ó, ÔÓÒÚÂÔÂÌÌÓ
ÒÛʇfl ‰Ë‡Ô‡ÁÓÌ Á̇˜ÂÌËÈ, ‰Îfl Ó‰ÌÓ„Ó Ë ÚÓ„Ó Ê ӷ˙ÂÍÚ‡.
èË ‡·ÓÚÂ Ò EOS-1Ds Mark III, 1Ds Mark II, 1Ds, 1D Mark
III, 1D Mark II N, 1D Mark II, 1D, 1, 1N/DP/HS, ËÎË 1V/HS
Ç˚ÔÓÎÌÂÌË ‡‚ÚÓÁ‡Ï‡ ˝ÍÒÔÓÁˈËË TTL ‚ÓÁÏÓÊÌÓ ÔË Í‡ÚÌÓÒÚË
Û‚Â΢ÂÌËfl ÓÚ 1x ‰Ó 5x. Ç˚·ÂËÚ Ê·ÂÏ˚È ÂÊËÏ ÙÓÚÓÒ˙ÂÏÍË Ë
Ôӂ¸Ú Á̇˜ÂÌËfl ‚˚‰ÂÊÍË (ÒÍÓÓÒÚ¸ Á‡Ú‚Ó‡) Ë ‰Ë‡Ù‡„Ï˚.
èË ‡·ÓÚÂ Ò ‰Û„ËÏË ÙÓÚÓ͇χÏË ÏÓ‰ÂÎÂÈ EOS
èÓÒÍÓθÍÛ ‚ Á̇˜ÂÌËË ˝ÍÒÔÓÁˈËË ·Û‰ÂÚ ËÏÂÚ¸Òfl Ì·Óθ¯‡fl
Ôӄ¯ÌÓÒÚ¸, ÔÓθÁÓ‚‡ÌË Á‡ÏÂÓÏ ‡‚ÚÓ˝ÍÒÔÓÁˈËË ÌÂ
ÂÍÓÏẨÛÂÚÒfl. Ç˚ÔÓÎÌflÈÚ Ò̇˜‡Î‡ ÍÓÌÚÓθÌ˚ ÒÌËÏÍË
ËÎË ÔÓθÁÛÈÚÂÒ¸ Û˜Ì˚Ï ˝ÍÒÔÓÌÓÏÂÚÓÏ, ˜ÚÓ·˚ ÓÔ‰ÂÎËÚ¸
Ô‡‚ËθÌÛ˛ ˝ÍÒÔÓÁËˆË˛ Ò Û˜ÂÚÓÏ ˝ÙÙÂÍÚË‚ÌÓ„Ó f-˜ËÒ·.
ÖÒÎË Ç˚ ÔÓθÁÛÂÚÂÒ¸ Á̇˜ÂÌËÂÏ f-˜ËÒ·, ÓÚÓ·‡Ê‡ÂÏ˚Ï Ì‡
͇ÏÂÂ, ÔÂÓ·‡ÁÛÈÚ „Ó, Û˜ËÚ˚‚‡fl Ù‡ÍÚÓ ˝ÍÒÔÓÁˈËË,
Û͇Á‡ÌÌ˚È ‚ Ú‡·Îˈ ‚ÌËÁÛ.
ì‚Â΢ÂÌËÂ
1
×
2
×
3
×
4
×
5
×
î‡ÍÚÓ ˝ÍÒÔÓÁˈËË
+2
+3
+4
+4
+5
(ÒÚÛÔÂÌË)
*
+2
+3
+4
+4
+5
1
2
1
3
2
3
1
3
*
ÇÂıÌË Á̇˜ÂÌËfl: 1/3 ÒÚÛÔÂÌË.
çËÊÌË Á̇˜ÂÌËfl: 1/2 ÒÚÛÔÂÌË.
ì‚Â΢ÂÌËÂ
1
×
2
×
3
×
4
×
5
×
ùÙÙÂÍÚË‚ÌÓÂ f/óËÒÎÓ
5,6
8,4
11,2
14,0
16,8