作者POLAX (<><.....)
看板DSLR
標題[閒聊] 5D3是否有點測光與對焦點連動?
時間Fri Mar 2 23:18:37 2012
5D3是否有點測光與對焦點連動?
雖然這問題有點不好
因為一切都要等實測才能知道是否像規格寫的一樣漂亮
也包括這個問題的答案
不過做了一下功課 跟大家閒聊一下
http://cpn.canon-europe.com/content/product/cameras/eos_5d_mark_iii.do
5D3裡面的規格只寫
Metering Modes TTL full aperture metering with 63 zone Dual Layer SPC
(1) Evaluative metering (linked to All AF point)
(2) Partial metering (approx. 6.2% of viewfinder at centre)
(3) Spot metering (approx. 1.5% viewfinder at centre)
(4) Centre weighted average metering
http://cpn.canon-europe.com/content/product/cameras/eos-1d_x.do
1DX裡面的規格卻有特別寫出有連動
Metering Modes TTL full aperture metering with 252 zone from
100,000-pixel RGB AE sensor
(1) Evaluative metering (linked to all AF point)
(2) Partial metering
(3) Spot metering:
Center spot metering
AF point-linked spot metering
Multi/Spot metering (Max 8 spot metering entries)
(4) Center weighted average metering
看樣子是沒有像Nikon那種測光與自己選的對焦點連動的功能
http://cpn.canon-europe.com/content/news/canon_unveils_eos_5d_mark_iii.do
不過在這頁的第2頁裡又有寫到
The EOS 5D Mark III always measures focus with all AF points, regardless of
the selected AF mode. During the exposure reading the camera looks to see
which points, in addition to the selected point, have achieved or almost
achieved focus. This information lets the camera know which part of the image
is the subject. It then takes metering readings from the zones corresponding
to the AF points that have achieved (or almost achieved) focus and combines
them with readings from all the other zones. This allows for consistent
shot-to-shot exposure, even in complex situations.
With Evaluative, Spot, Partial and Centre-weighted metering options provided
photographers can choose exactly how the light in a scene is measured to
ensure they get perfect exposures every time.
意思就是曝光資訊會隨所選的點的區域 相機會判斷曝光....
所以自動就好了 囧>"
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 118.167.155.81
1F：推 ejywar:記得前面的文章有提到是用7D的測光系統，那理論上應沒連動 03/02 23:30
2F：推 orz007:意思應該是權衡曝光會依對焦點改變加權 但點測只有中央? 03/03 00:23
3F：→ vchenkoshe:樓上正解 03/03 00:35
4F：推 kizuki33:樓樓上錯誤，只有在點測光模式對焦點和測光點才有連動； 03/03 00:48
5F：→ kizuki33:其他測光模式不會連動，一樣是用中央點，1D系列接是如此 03/03 00:49
6F：推 skullfox:權衡式會連動吧.... 03/03 05:59
7F：推 skullfox:剛測了一下 權衡"會"與對焦點連動 無誤 03/03 06:10
8F：推 onebow:權衡會連動+1 03/03 09:50
9F：推 logi:kizuki33錯誤 其他人正確 03/03 12:14
10F：推 ginnietulip:都權衡了還不連動...這要怎麼權衡啊 03/03 12:33
11F：→ ginnietulip:至於點測只能用中央...那根對焦點只有一個有啥差異呢 03/03 12:34
12F：推 kanebo998:用AEL...... 03/03 13:18
13F：推 ejywar:其實最正確的是orz007前輩。因為畢竟〝加權〞跟〝連動〞嚴 03/03 14:28
14F：→ ejywar:格來說還是不大相同 03/03 14:28