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膠捲的故事

 如果你對攝影還是一竅不通的話,可以先到這裡看看,先瞭解一些最基礎的知識,都以為照像是件很簡單的事,可是就有人整卷膠捲都照好了,才發現其實一開始膠捲就裝反了,當然是一張都沒有照出來了:(其實,這件事的主人公就是我了,好在現在我經名師指點,進步多了:)



膠捲的保存

  未使用過的膠捲應置於室溫(20℃左右)和乾燥陰涼處,避免陽光直射,也不要靠近暖爐、散熱器等地方,應該在膠捲盒上標識的有效期內拍攝完畢,並趕快沖洗,以免影響膠捲的色彩與感光效果。
  裝卸膠捲時要避免陽光直射,可以在身體的陰影下進行。目前絕大部分人在戶外攝影時使用100度負片,在戶外光線充足的情況下,這一選擇可以讓你得到滿意的照片。但是由於戶外的天氣光線變化較多,所拍攝物件也動靜有別,如果選擇200度膠捲,拍出的照片品質會更可靠,效果也略勝一籌。如果家裡有幻燈機,也不妨選用反轉片來拍攝,當和家人、朋友一起觀賞自己拍攝的精美幻燈片時,那種喜悅無法言表。


正片

負片
負片與正片

  我們一般拍照用的膠捲稱為負片,所拍到的景像在底片上的顏色和明暗與實際景物完全相反。用幻燈片,因為沖洗好的膠捲影像色彩明暗和原來的景物相同,所以稱為正片或反轉片。

戶外攝影前的準備

  旅遊前最好先搜集些有關的旅遊資料加以研讀,瞭解各地的風土民情,以便尋找適於拍攝的題材。每到一地,買一張當地的導遊圖對你選擇景點會有所幫助。每到一處風景名勝地,可以先看看當地的風景名信片,參考其拍攝方式及角度,會得到很多靈感。

握掛相機的要領

  正確的握掛相機才能拍出清晰的照片,正確的方式應該是相機靠緊臉部,並且將手臂抵住胸部,以增加穩定性。你也可以把手臂或相機靠在牆上或樹幹上拍攝,以增加相機的穩定性。



戶外攝影後的照片沖印

  高品質的沖印是獲得一張美麗照片的最後一步,也是至關重要的一步。在專業的沖印中心,它們有電腦化的先進品管設備作全面檢驗,確保產品品質的穩定及水準。它們的操作員受過專業的技術培訓,操作水準要高。

膠捲感光度

  膠捲感光度就是膠捲對於光線的敏感度,一般以ISO值來表示,數值越大感光度就越高;通常我們拍照用的ISO100膠捲,適用於一般光線較充足時的攝影,ISO200或ISO400等高速膠捲,由於感光度較高,適合光線較差的場合使用。

高速膠捲的優點 

  快門速度可加快,減少了拍照時相機晃動的影響,有利於捕捉動態景物。較小的光圈使深景照片的景深較遠,畫面清晰。室內閃光燈攝影可以提高閃光有效範圍。高速膠捲是自動相機的最佳拍擋。

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