Difference between revisions of "Extension tube"
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|image= http://static.flickr.com/121/311456597_0966ba7660.jpg | |image= http://static.flickr.com/121/311456597_0966ba7660.jpg | ||
|image_align= left | |image_align= left | ||
| − | |image_text= sketchy profile of camera without and with lens tube extension | + | |image_text= A sketchy profile of camera without and with lens tube extension.<br/> |
| + | Remarkable: the reduced depth of field. | ||
| + | }} | ||
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| + | <br style="clear:both"/> | ||
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| + | Lens tube extensions might have facilities to transmit the aperture release shift from the camera. | ||
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| + | {{Flickr_image | ||
| + | |image_source= http://www.flickr.com/photos/89864432@N00/309807692/in/pool-camerapedia/ | ||
| + | |image= http://static.flickr.com/108/309807692_a343420742.jpg | ||
| + | |image_align= left | ||
| + | |image_text= Exa's reverse aperture release concept: The levers on the<br/> | ||
| + | Exa's macro rings eloongate the shutter release button so that it<br/> | ||
| + | still can be triggered by pressing the lense's aperture release lever | ||
}} | }} | ||
[[Category:lens accessories]] | [[Category:lens accessories]] | ||
Revision as of 00:02, 2 December 2006
Lens tube extensions are available for many lens mounts of modern camera systems. The simplest are the macro rings. The extension can be mounted on the lens mount, and then the lens on the extension's own lens mount. This construction enables the photographer to shorten the smallest distance of the image subject to the front element of the lens.
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| A sketchy profile of camera without and with lens tube extension. Remarkable: the reduced depth of field. |
Lens tube extensions might have facilities to transmit the aperture release shift from the camera.
|
| Exa's reverse aperture release concept: The levers on the Exa's macro rings eloongate the shutter release button so that it |
