zoom lens

音標發(fā)音

This camera shines when you use the optical-zoom lens while shooting video.
當你在拍攝視頻時使用光學變焦鏡頭，這款相機的優(yōu)點就體現(xiàn)無遺。
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In contrast, a very good variable-zoom lens like Canon's 24-105mm f/4 lens costs over $1, 000.
對比起來，一個非常好的變焦鏡頭(如佳能的24-105mm f/4鏡頭)售價高達1000美元以上。
If you are into photography, invest in a high-quality digital SLR with a 100-400mm zoom lens and a small, collapsible tripod.
假如你愛好攝影，去買一個高質(zhì)量的數(shù)碼單反相機，一個100—400毫米變焦鏡頭和小型三腳架。

The COOLPIX S3500 offers an upgraded feature set that includes a new 20.1-megapixel sensor, a 7x optical zoom NIKKOR lens and lens-shift Vibration Reduction (VR) technology to help to ensure vibrant and sharp images.
ENGADGET: Nikon Coolpix S3500 ships this month with 20MP CCD, lens-shift VR for $139
In addition to the camera, the 11- 27.5mm lens is a super-compact zoom lens that offers a helpful 2.5x zoom range in an easily pocketable size.
ENGADGET: Nikon 1 J2 mirrorless camera: minor control tweaks, $549, ships in September
For those looking to capture a beautiful and sharp image up close or at a distance, the new COOLPIX P520 boasts a 42x optical zoom-NIKKOR glass lens with an impressive zoom range from a wide 24mm to a whopping 1000mm (35mm equivalent), for users that require the very best in performance and versatility.
ENGADGET: Nikon updates Coolpix compact lineup with S9500, sub-$200 S5200 and L28

a device attached to a camera that can make the person or object being photographed appear nearer

A zoom lens is a camera lens that allows you to make the details larger or smaller while always keeping the picture clear.

變焦距
Fixed focus object lens, zoom lens, eye lens and illuming lens are developed. Their structures forms are selected.
基于像差理論選擇定焦距鏡頭，照明系統(tǒng)，目鏡和變焦距鏡頭結(jié)構(gòu)形式，并設(shè)計一組二元全動型變焦距鏡頭。
計算機科學技術(shù)
可變焦鏡頭
The hardware includes digital image sensor,USB interface,DSP system,zoom lens and it’s driving system .
硬件部分主要包括圖像傳感器、USB接口、DSP系統(tǒng)、可變焦鏡頭及其驅(qū)動系統(tǒng)。
變焦透鏡