新進會員
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鳴謝......多謝大家介紹的雷虎
我把我的AE-1送修之後
又把我家的一顆 Sun 35mm-200mm f3.5-5.6 macro
拿去修
之前拿去博愛路 被宣告發霉不治
差點被我丟掉
後來想想留個紀念
那天碰碰運氣拿去
雷虎的老闆竟然幫我洗乾淨了...真是太感謝了
此外 像機擦得跟新的一樣.........XDXDXD |
新進會員
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以後要呷好道相報喔！ |
終身 VIP
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有誰用過NFD85 f/1.2L + 2X B
不知效果如何. |
新進會員
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The diameter of fd85L is much larger than 2xa or 2xb. As a result, the larger apeture is "practically mushc smaller than f2.4. You need to use stop-down metering, otherwise, you will get inconsistent exposure. Image quality good to very good at f8. above average to good in other apeture. |
終身 VIP
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mickey_mouse上次看大家秀的資料
NFD85 f/1.2L 不是在大光圈時最佳,
+ 2X B時(代替180mm)在f8比其他的好,
但曝光要加兩格,速度會更慢手會ㄘㄨㄚˋ,
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新進會員
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I believe i did not say clearly last time. i ammend as follow.
The diameter of THE LAST GLASSES ELEMENT fd85L is much larger than THE FIRST GLASSES ELEMENT of 2xa or 2xb. And tthat two glass elements are too close when attached with each other. As a result, the larger apeture is "practically MUCH smaller than f2.4. You need to use stop-down metering, otherwise, you will get inconsistent exposure. Image quality good to very good at f8. above average to good in other apeture.
f5.6 also not bad. but it is actually close to f13 in reality. FD85L have greater light lost when using with 2XB than other lenses with 2XB.
Canon did not recommend using any 2x on Fd85L
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終身 VIP
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那2X B適用於200mm以下的鏡頭,
小光圈的不好對焦,
200mm以下的大光圈的FD鏡又沒幾隻支,
Canon did not recommend using any 2x on Fd85L
2X B不知用於何處,Canon做這支好像多餘的.
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新進會員
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not 200mm but 300mm. "The FD 2X-A extender doubles the focal length of the prime lens and is designed for use with any lens with a 300mm focal length or longer, including zoom lenses with 300mm within their range. Using the FD 2X-A converts the 800mm lens to 1600mm, while retaining a minimum shooting distance of 14 meters. The FD 2X-B extender doubles the focal length of any lens with a focal length of less than 300mm, including zoom lenses with 200mm within their range. The FD 1.4X increases the focal lengths of all lenses with focal lengths of 300mm or greater by 1.4 times. " http://www.mir.com.my/rb/photography/companies/canon/fdresources/fdlenses/extenders.htm#2X-A/B |
新進會員
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another quote. "All AE information signals derived from a master lens can be transmitted to the camera body. However, Canon recommends that the New FD 300mm f/2.8L to be used with the Extender FD 2X-B instead. The Extender FD 2X-B is supplied as a kit when you purchase the 300mm f/2.8L lens brand new but since it has been discontinued, some dealers may not bundle the Extender with the lens. " http://www.mir.com.my/rb/photography/companies/canon/fdresources/fdlenses/extenders.htm#2X-A/B |
新進會員
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there is another exception when using canon 2x. 135mmf2.0 is recommended to be used on 2XA instead of 2XB. |
終身 VIP
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那我真是誤會了,
想說便宜買一個玩玩.
但除了300mm F/2.8L
想不出還有哪支鏡頭的光圈大到方便使用的. |
新進會員
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The most frequent usage of my FD2XB are with FD50Macro and FD100Macro to result 1:1 100mm and 1:1 200mm macro lenses. You can take photo at infinity or 1:1 without adding anything else and the image quality is still very good.
It also works very well with FD100f2, FD135f2.8, FD200f1.8L, FD200f2.8, FD80-200L, FD80-200f4............
FD2XB is not that valuable nowaday but it is very valuable in the old days when ordinary people seldom get lenses more than 300mm |
新進會員
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2x鏡的使用...跟最大光圈大小在手動對焦上並無關係
我用過(k牌)在200/2.8跟70-210(s牌)上都可以用啊
(試過200/2.8+二個2x鏡還是可用...800/11)
在對焦上並無多大問題..只是成像品質下降光圈多了二格罷了
如在光線足夠下多二格光圈沒什麼關係
一般所謂對焦問題是在AF機上
當加了加倍鏡後最大光圈降到某一光圈值後(好像是f5.6)
AF機能會失效....只能手動對焦
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新進會員
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呃...............FD版快爆了耶!!
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新進會員
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灌水~ |
新進會員
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新進會員
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新進會員
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可以告知雷虎的電話嗎? Thanks |
新進會員
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02-23319938 |
新進會員
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剛剛結束灣坑頭山和草嶺古道的一日調查,天氣尚可卻穿了登山鞋去走整段都是石階梯的步道,硬碰硬的結果就是又痛又酸又麻的雙腳......有機會再跟大家show一下拍攝結果吧 |
