[johnyu]

我很想影多d靚風景相, 但試了很多 setting 都不太理想, 請問各位前輩, 影風景相時是不是應該將 focus set 做無限遠, 同時將光圈盡量 set 細, 令到前後景都可以清晰. 如果不是又應用什麼 setting 呢 ... !? 請指教.

[tam_dominic]

Pls make your question more specific.

Small aperture gives the photo more depth of field and is good for landscape shot.

ND filter is commonly used in landscape shot to reduce the strong light from the sky. This is to make the photo evenly exposed.

CPL filter is good to make the sky blue and control the reflection from water surface..

Several shot stich together (by software eg. photoshop element) can produce a stunning panorama scene.

Happy shooting !

[johnyu]

多謝 tam 兄,

I mean when taking lanscape picture, for example, it composites objects of sea, mountains, trees, sky and clouds, which one should I make the focus on. What I am doing now is that, using the manual focus and set it to infinite then take the picture, but the result is not quite satisfactory.

I have one CPL filter, yes I argee with you, it is real good.

Regards,

[Excalibur0991]

如果你個問題係問點樣可以盡量令唔同既景物都清楚, 咁你就可以試下用超焦距. 但係影風景相又未必要真係樣樣野都咁清既

[johnyu]

超焦距是否即是手動對焦無限遠.

[Excalibur0991]

你想無限遠的景物清楚, 並非一定要手動對焦無限遠. 你可以選擇較為近一點的景物對焦, 而無限遠的景物都可以相當清楚. 超焦距的定義係最近的對焦距離, so that 無限遠的景物仍在景深之內.

點樣算出超焦距 (hyperfocal distance)? 舊式的鏡頭多數有景深刻度, 要找超焦距話咁易. 如果無刻度的話就要自己算. 不過又唔使驚, 以下的website可以代勞. 只要輸入焦距和光圈值, 可得答案.

http://www.shuttercity.com/DOF.cfm

另外, 關於景深及超焦距的資料, 可參考
http://luminous-landscape.com/tutorials/understanding-series/dof.shtml

[tunster]

我通常會用 F8.0 (我架相機最細0既光圈), 之後對邊都一樣. 全部 on focus.

[johnyu]

多謝 Tam, Excalibur0991 and tunster 兄,
我現在明白很多了, 希望能盡快出動影多d?相post出黎同各位分享, 以報各位的指導.