What is an Extension Tube? | 合法醫療器材資訊網
![What is an Extension Tube?](https://i.imgur.com/6y29Lx7.jpg)
2018年2月11日—HowExtensionTubesWork...Anextensiontubeisanattachmentthatgoesbetweenyourcamerabodyandyourlens.It'snotanopticalelement, ...
![What is an Extension Tube?](https://i.imgur.com/6y29Lx7.jpg)
Our readers frequently ask us about extension tubes for macro photography. Since I am not much into macro myself, I have not explored this area of photography enough to qualify to write about it. While I have done some macro photography for product shots and ring shots in weddings with my Nikon 105mm f/2.8G VR[1] lens (a very sharp lens that I absolutely love), I have not explored its full capabilities and I have not tried to use extension tubes and bellows to do crazy things that you can achieve with a true macro setup. Meanwhile, our readers have been gracious enough to fill in, and I have recently received the below post from one of our readers, Usama Nasir[2], who talks about what extension tubes are and how they are used in macro photography.
If you find yourself frustrated by the minimum focusing distance of your lens, if you constantly find that you’re unable to frame th...
extension+tube | 合法醫療器材資訊網
Extension tube | 合法醫療器材資訊網
kenko extension tube - 人氣推薦 | 合法醫療器材資訊網
EF鏡頭 | 合法醫療器材資訊網
Macro Extension Tubes | 合法醫療器材資訊網
KOOKA KK | 合法醫療器材資訊網
增距 延長管Canon Extension Tube EF 12 II | 合法醫療器材資訊網
What is an Extension Tube? | 合法醫療器材資訊網
![](https://i.imgur.com/6y29Lx7.jpg)
【"十美牌" 延長輸液管】許可證字號:衛署醫器製字第000099號
器材品名:"十美牌"延長輸液管許可證字號:衛署醫器製字第000099號註銷狀態:註銷日期:註銷理由:有效日期:2024/02/09發證日期:1...
![](https://i.imgur.com/6y29Lx7.jpg)
【延長管】許可證字號:衛署醫器輸字第005202號
器材品名:延長管許可證字號:衛署醫器輸字第005202號註銷狀態:已註銷註銷日期:1999/12/01註銷理由:未展延而逾期者;;改列無須...
![](https://i.imgur.com/6y29Lx7.jpg)
【"特浦" 延長導管】許可證字號:衛署醫器輸字第010027號
器材品名:"特浦"延長導管許可證字號:衛署醫器輸字第010027號註銷狀態:註銷日期:註銷理由:有效日期:2022/08/15發證日期:2002/...