Buy EF12 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. The EF12 is a pentode designed for RF or IF amplification at HF or MF. The wide metal tube envelope is 36 mm in diameter, and excluding the footless base . I found one blurry schematic for use with an EF12 tube, of which I have a a cleaner/readable copy of the EF12 schematic, validation that this.

Author: Maulkree Grosar
Country: Austria
Language: English (Spanish)
Genre: Love
Published (Last): 11 October 2006
Pages: 350
PDF File Size: 5.5 Mb
ePub File Size: 3.97 Mb
ISBN: 216-6-67035-767-1
Downloads: 53316
Price: Free* [*Free Regsitration Required]
Uploader: Got

Although this type photography is tripod and manual focus recommended, I use ed12 combination outside mostly off hand and automatic with no problem. Send a link to this item so recipient can review, customize or exchange for tue alternate of equal eff12 lesser value.

Nice odd looking EF12 tube mic on german ebay. They seem a bit overpriced for what they are – spacers between the lens and body. The EF 12 II meets all my current macro demands. So I’m not a total “rookie” but I do tuube this project as a “probable learning experience. Be the first to review this item. I took seriously his recommendation and I am satisfied with the results. All auto exposure features on the lens coupled to the extension tube work normally, and focusing is best done through varying your distance to the subject and fine focusing manually.

However, the EF12 is or at least was at one time the “2nd place” tube of choice for Wagner and Grosser, according to what I read on the internet. Rated 5 out of 5 by Anonymous from Tuge fun Photography is a hobby. Next day, trying out the extension tube with the EF-SI found ev12 a focused image was impossible to achieve optically with the zoom set at less than approximately 50 mm, but at the longer end of the zoom range there was no problem in getting a perfectly focused macro image.


This is my first post here– sorry to dive right in with questions, but I do promise to stick around. January 05, May 03, It does not work with auto focus.

The Marketplace for Musicians |

Voltages are different its true. Canon provides a usefel table with the extension tube that lists the change in minimum focal distance so that it can be used to pre-plan shots.

International orders are processed the next shipping day. Rated 5 out of 5 by Eytan Wulfsohn from Great addition to your lens collection I do a lot of wildlife photography and often come across insects and flowers that present excellent photographic opportunities. The lenses I use are the nifty fifty and the mm kit. The result of using extension tubes is that the distance from the back of the lens to the film surface is longer, which means you can take photographs at shorter distances to the subject.


On the included comprehensive spec sheet this lens was not listed and I assumed it was because it was a fairly new lens. For further details see delivery estimates in cart. Hube your order by 5pm Wed Jan 2 and your order will ship the same day.

I certainly cannot afford a real VF MagnetoSound on January 05, No matter how much I varied my distance to the subject or adjusted the manual focusing ring the image remained completely out of focus.

Klaus runs a pretty tight ship, utbe is pretty passionate about having the discourse be ‘meaningful.

EF14 and EF12 tube replacements

Sending along a photo with and without the extension tube. I don’t have enough personal experience to have a genuine opinion either way. I first tried out this macro extension tube on an EF-S ultra-wide zoom. I don’t believe, however, that tueb tube can or will replace a good macro lens. As we all know, the photographic world is full of surprises.


So I figured I’d go that route, as those two make nice mics. Gus Member NJ Posts: We should all have our own logos and badges, IMO. This is what I’m working with right now, so far.

EF14M replacement tube

Rated 5 eff12 of 5 by Anonymous from Great on the Canon lens I bought this and the EF 12 II for use in photographing butterflies and am extremely happy with the results. Great forum you have here. I’m a member over there as well. Order in the next 0: Extension tubes are eef12 commonly used for macro photography and sometimes for closeup portraits.

Using the extension tube to shorten the minimum focal distance permits exciting alternatives to the usual way of viewing the object. Which tube is that again? I found this thread which has some good info. Started by chefducuisine The Lab.

Please update your browser to use Reverb

Yes, the guys at Flea decribed the ef12 as being a litlle less agressive than the ef14 so more hi-fi is probably the best definition.

It is a bit tricky to assemble a setup in the field, so I leave home with everything connected. Rated 5 out of 5 by Anonymous from Typically good Canon product Very useful addition if you don’t wish to buy a macro lens. Started by jeremycox The Lab.

DiMaggio encouraged photographers to carry this highly portable extension with them at all times.