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Esta versión actualizada II es totalmente compatible con los objetivos Canon Digital EF-S, así como con los objetivos fotográficos estándar EF y TS-E. Hay una marca de índice blanco proporcionada para lentes SLR EF-S digitales y una marca roja proporcionada para lentes fotográficas.
El tubo de extensión EF 12 II está hecho especialmente para el enfoque cercano con lentes gran angular. Acorta la distancia de enfoque de la lente. Es compatible con todas las lentes, excepto 15 mm f/2.8 fisheye, 14 mm f/2.8 L y MP-E 65 mm f/2.8.
El artículo incluye una tapa de lente.
さんぽ
Comentado en Japón el 20 de noviembre de 2023
機能的にも問題なく、満足に使えています
Dominik P.
Comentado en Alemania el 27 de abril de 2019
Der Faktencheck➡️ Ersetzt problemlos jedes Makro: Falsch!Wer auf Makrofähigkeiten seiner Objektive Wert legt, auf kleines Gepäck setzt UND wenig(er) ausgeben will, sollte einen Zwischenring in Betracht ziehen. Wer aber die volle Abbildungsleistung ohne Einschränkungen in der Bedienung braucht, greift besser gleich zum richtigen und teureren Makroobjektiv.➡️ Verleiht jedem Objektiv Makrofähigkeiten: Jein!Man kommt mit einem Zwischenring zwar näher an sein Motiv heran, wird aber selten den Abbildungsmaßstab eines richtigen Makros erreichen und ist auch in der übrigen Anwendung, z. B. beim Fokusumfang limitiert.➡️ Verlangsamt das Objektiv merklich: Falsch!Der Ring stellt alle elektronischen Verbindungen zwischen Objektiv und Kameragehäuse her, inklusive Autofokus. Dabei kommt es zu keiner spürbaren Verschlechterung in der Performance.➡️ Sonst noch wichtig:Sehr robust aus Metall gefertigt und dadurch brusicherer im Vergleich zu billigen Nachbauten aus Plastik.Muss auf Wunsch immer zwischen Kamera und Objektiv montiert und demontiert werden. Das kostet mehr Zeit als der Objektivwechsel auf ein Makro.Nicht ganz günstig, dafür absolut zuverlässig in der Anwendung.
Client d'
Comentado en Canadá el 12 de octubre de 2017
super very happy fonctionne très bien good job
PD
Comentado en los Estados Unidos el 22 de agosto de 2014
I know, seems expensive for a hole with a mount, but I have tried off brand extension tubes and the build quality is not the same. I'm mounting one of several L lenses (70-200mm/2.8 IS II, 50mm/1.2, 24-70mm/2.8) and I'm delighted with how precise these lenses mount on this tube. Autofocus works as it should and I'm not fist-gripping the thing to get it off like I have had to do with third party tubes. One actually would grab somewhere on the mount, and then when you applied pressure it clicked loudly as it loosened. NO THANK YOU, money well-spent with this Canon when you are mounting $6K worth of lenses on it.For wedding shooters: if you have a 50mm or a 24-70mm, this ring is all you need for Details shots. The 25mm ring is TOO close, I can't even use the 50mm with the 25mm extension if I want to keep my sunhood on, which I always do. You may not fill the frame with a quarter with this 12mm but for rings and jewelry, it's absolutely close enough, especially with the 1:4 Macro capability of the 24-70mm. I shoot a 5D3 and I can always crop in a touch if needed. No big deal losing a bit of pixel data for details shots, I haven't had a bride request a 40"x60" canvas wrap of the rings (yet), lol!
kcidybom
Comentado en los Estados Unidos el 27 de enero de 2013
My grandfather once told me that all cheeses were made in the same factory so it doesn't matter which cheddar, for example, you purchase. This isn't literally true, of course, but the point he was trying to make is that something that costs more isn't always better than a cheaper version of the same thing. With his voice in mind I purchased both the AND the and put them to the test to see which was the greater value. Here are my findings:1. I'm happy that I bought both.2. They decidedly do not represent different price points of the same thing. The fact that I originally thought they did only reflects my growing, yet still weak, expertise in the paraphernalia of macro photography.3. The Polaroid tube is made up of 7mm, 14mm, and 28mm lengths that can be used individually or in any combination.4. The Polaroid tube is just that...a tube, and supports no electronic connection between camera body and lens. In my book this is absolutely fine as long as what you are photographing is not moving and you have the time to make the necessary positional, exposure, and lighting corrections. Photographing jewelry in a static and controlled environment would be a good example.5. The Canon tube, more like a thick ring actually (The is a bit more tube-like.) is of a single fixed 12mm length and supports complete connectivity between camera and lens so that exposure and focusing are done as seamlessly with the EF 12 as without. This is a huge benefit if what you are trying to photograph is in a changing environment or moving. Macro photos of insects comes to mind. Yes, I actually did this while building lesson plans for my Biology class.So, while my experiment to determine relative value was a bit misguided, I did end up with two devices I use frequently and would be unhappy to part with. As I said, they are not 'of a kind' and have separate yet strong appeal. If the Canon tube is a cheese it would be a fine Brillat-Savarin while the Polaroid isn't a cheese at all, but a really nice set of pliers.
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