Monthly Archives: March 2014

How to adjust the back elements of a Tamron lens


If You ever repaired a Tamron lens, then You know, that many zoom-lenses use as last element a special multiple element, which is in fact assembled from 2 smaller elements, which are centered to each other only by the force … Continue reading

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Canon 5d – less boring


Here is a Canon 5d, after coloring it with some acrylic paint and acrylic lacquer. (I reality the red is more powerfull, I observed many times that Canon cameras -in this case a 40d – can not handle the pure … Continue reading

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Canon EF 50 mm F1.4 repair – with micro USM motor


I don’t like too much this lens, because has a very vulnerable construction and not too precise autofocus system. 85 mm F1.8 is much much better. But anyway, there are a lot of this lenses on the market, and after … Continue reading

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