This is the Vario-Elmar 4.2/105-280 . Our client and friend Michael from South Africa was so kind to share these pictures with us. To my surprise, it is build like a prime. So there is no problem to use a Leitax bayonet. |
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As you can see here, it uses a ten hole bayonet. Also you can see the ROM contacts in this picture. |
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First, we have to unscrew the black shroud. Remember to turn upside down the lens when the screws are about to fall, so they will fall on the table. |
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Now we can remove the Leica-R bayonet. |
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And this is the good news, the ROM chip is attached to the Leica-R bayonet. So, no problem for using a regular ten holes Leitax bayonet. |
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This lens has a R-cam thicker than usual, like the Apo-Summicron 180/2. Michael removed the R-cam, as the regular Leitax bayonet will not fit. (this problem is only for Nikon and Sony bayonets) |
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But this implies to remove the long black tube, which is better to leave it. If you wish, I can machine a special diameter bayonet for this lens. |
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Removed pieces. |
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In some lenses, the aperture lever has a slightly different position than usual, and interferes with the Leitax bayonet. To allow it to move freely, a bit of filing at the Leitax bayonet is enough. Of course, I don't recommend to cut the lever off. |
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Just put a bit of special grease on the small bearing ball and we are ready to install the Leitax bayonet. |
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So we can use this fabulous lens on Nikon, Sony, Pentax and Sigma cameras. |
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And this is the first picture Michael took with his Sony A850 camera and this excellent Leica zoom lens. | |
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