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Olympus OM on Eos |
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Leica
R on Eos |
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M42
on EOS |
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Contax
on Leica M |
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other
adapters |
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©luca
vascon 2006 |
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One
ring to rule them all... |
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Have you
ever dreamt of.... using that amazing lens on your camera, even if
it was made for another bayonet?
Well... maybe is possible, maybe is worth, sometimes necessary, sometimes
simply "cool".
Here I'll share all my knowledge about.
Let's begin with a classification.
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| Natural
adapters
(retain infinite focus capability without introducing correcting
glass elements)
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Necessary conditions
for a natural adapter:
- Camera register
must be shorter than lens native register
- Camera bayonet
diameter must be wider than lens bayonet
And then...
- the lens rear
element, or lens' rear parts must have no interference with the
mirror's path.
Note that this last
condition is lens relative... you may be able to put any kind of Leica
lens on your fullframe Canon camera BUT some single ones (i.e. there
are some known issues with the Minolta derived lenses, that you are
unable to mount neither on the SL-SL2 Leicaflex cameras due to far
protuding rear elements) |
| Macro
adapters
(No glass element is added, but the thickness of the adapter or
the registry difference allow only a restricted focus distance)
These adapters are
quite uncommon, but still produced by Novoflex and some other manufacturer.
They are silmpy short macrotubes with a male and a female mount,
different brands of course.
They allow you the use of a different brand lens on your own camera,
with limited focusing capability. |
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| With
correcting lens
(Idtroducing correction lenses gain infinite focus capabilities)
It was a common "cool"
item in the late '80s and '90s, you could find different brands
and mounts.
- Generally not
so well machined, with a single lens adjusting focus.
Due to the small internal space not every lens could be mounted
on without touching the correcting lens.
- The correcting
lens gives a 1.2x to 1.4x magnifying factor
- Those lenses surely
were not even coated... Try to imagine the quality.
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