focal length
US /ˈfokəl lɛŋkθ/
・UK /ˈfəʊkəl leŋθ/
B1 中級
n.名詞焦距
The focal length of this lens is 50mm.
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一個人旅行怎麼拍？獨旅攝影技巧不藏私，讓你拍出獨一無二的神級美照！（Solo Travel Photography Tips）
- My tip number five is focal length and camera settings⏤28-millimeter versus 43-millimeter.
我的第五個技巧是焦距和相機設定，28釐米對比43釐米。
- The 28-millimeter focal length allows for a lot of room and opportunities to include things into a frame,
28釐米的焦距能讓畫面有更多空間和機會納入景物，而43釐米則大致相當於人眼。
熱騰騰的 iPhone 15/15 Pro 第一印象揭露！新改變不只 USB-C 而已！ (iPhone 15/15 Pro Impressions: Not Just USB-C!)
- but where you can change your default focal length to be either 1X or 1.2X or 1.5X, for some reason.
但你可以將默認的焦距更改為 1 倍、1.2 倍或 1.5 倍。
- So if you switch back to the camera app, that 1X button is now always going to take you to the new focal length that you've chosen.
所以如果你切換回相機應用程序，那個1倍按鈕總是會帶你到你選擇的新焦距。
史帝芬索德堡如何讓一個（小）場景瞬間升級？！ (How Soderbergh Elevates A (Minor) Scene)
- Then we cut to Clarissa in shot two at a longer focal length, which gives us the sense of looking at her from afar, from Freddy's vantage.
然後我們切換到第二鏡頭中的克拉麗莎，焦距更長，讓我們有一種從遠處、從弗雷迪的視角看她的感覺。
- In the second close-up of Freddy, shot four, we're suddenly at a longer focal length, as if we're looking at him from afar, from the table, let's say, which makes us feel that we've moved over there.
在弗雷迪的第二個特寫鏡頭，也就是第四個鏡頭中，我們的焦距突然變長，就好像我們從遠處，比方說從桌子上看他一樣，這讓我們覺得我們已經移到了那裡。
省錢拍出電影感影片的密技！ (The cheat code to cinematic videos on a budget.)
- The choice of focal length can be an important artistic choice, and
焦段的選擇可以是一個重要的藝術選擇，而
- The choice of focal length can be an important artistic choice, and
焦段的選擇可以是一個重要的藝術選擇，而
攝影教學｜景深大解密！淺景深 vs. તીવ્ર景深 哪個適合你？ (Photography Tutorial - Depth of field explained (shallow vs deep))
- It has a fixed aperture, and it has a very particular focal length.
它有一個固定的光圈，焦距也很特別。
- It has a fixed aperture, and it has a very particular focal length.
由於使用長焦鏡頭的方式，這種鏡頭通常會使影像的背景在畫面中更大。
iPhone 18 Pro + Fold 搶先曝光！全新功能搶先看！ (iPhone 18 Pro + Fold Leaked! New Features Revealed!)
- So one report now says that Apple is planning to use a teleconverter as part of the iPhone 18 Pro telephoto camera, and essentially a teleconverter is this piece of equipment from traditional photography that you place in between the lens and the camera sensor to increase your effective focal length or overall zoom capability.
也就是 Apple 在 main lens 上加入 variable aperture，這樣你就可以 manual control 多少 light 會進入 camera，進而影響到 sensor。
- To increase your effective focal length or overall zoom capability.
來增加你實際的 focal length 或整體的 zoom capability。
Luna Ultra 再度爆料！DJI 真的該被跳過？ (The Luna Ultra Leaked Again: The Real Reason to Skip DJI.)
- The Luna Ultra pairs a 1-inch main sensor at f/1.8, approximately 18-20 mm equivalent focal length, with a secondary telephoto lens on a 1/1.3-inch sensor at approximately 70 mm equivalent.
Luna Ultra 配備了 f/1.8 光圈的 1 吋主感光元件，等效焦距約為 18-20 毫米，以及一個搭配 1/1.3 吋感光元件的輔助長焦鏡頭，等效焦距約為 70 毫米。
- The Luna Ultra pairs a 1-inch main sensor at f/1.8, approximately 18-20 mm equivalent focal length, with a secondary telephoto lens on a 1/1.3-inch sensor at approximately 70 mm equivalent.
Luna Ultra 配備了 f/1.8 光圈的 1 吋主感光元件，等效焦距約為 18-20 毫米，以及一個搭配 1/1.3 吋感光元件的輔助長焦鏡頭，等效焦距約為 70 毫米。
照片模糊不清？原因與拍出清晰照片的祕訣！ (Blurry Pictures--What Causes Them and How to Get Sharp Photos!)
- That's just a fancy schmancy way of saying that your shutter speed should be greater than your focal length.
這只是個聽起來很厲害的說法，意思是你的快門速度應該要大於你的焦距。
- An easy way to deal with this is to switch your camera to shutter priority mode, make sure that your shutter speed is your focal length or greater,
處理這個問題的簡單方法是將相機切換到快門優先模式，確保你的快門速度是你的焦距或更快，