If you are the type of shooter who wanted form to equal function then the MC converter will not disappoint. You will notice also that the inside of the converter is carpeted with a black felt material. The reason for this flocking is to prevent and internal reflections that sometimes occur from using adapted lenses especially at wide apertures.
This is a great feature that I was relieved to find included on the MC Well done, Sigma. Briefly we mentioned earlier about an interesting feature of the MC and this is the inclusion of a port for connecting the converter to your computer via USB cable included.
The port itself is protected by a fold-back rubber gasket. At the time of this writing there are 22 total lenses which are compatible with the MC and that number continues to grow. Sorry Nikon users. Be sure to check this link for continued additions to the list from Sigma as well as accurate information. There is a small LED light close to the base of the adapter that lets you see if the lens you have attached is compatible with the MC adapters current firmware. One thing that certainly weighed heavily on my mind before I evaluated the MC was just how well autofocusing would carry over from the lens.
I was honestly surprised at just how well it performed both in terms of speed and accuracy. When it comes to whether or not the MC converter will work with lenses other than those made by Sigma… again, officially the answer is no. Reports range from good to terrible performance when using Canon lenses with the MC The lens attached perfectly and communication with the camera seemed to be fine.
Often the camera would not focus at all. Reading mode: Light Dark. Login Register. Best cameras and lenses. Now reading: Sigma DG tele-converters. New multi layer lens coating and lens design reduce flare and ghosting. The high image quality of the master lens will not be compromised thanks to this new design concept.
High-speed Auto Focus is retained even when these tele-converters are utilized. Tags: sigma. Sigma 1. We are retrieving offers for your location, please refresh the page to see the prices.
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Pretty slim pickins. I almost exclusively use this teleconverter on my mm. Lens padded case. No belt loop or clip on it, unfortunately. Focus Speed. I set the minimum focus distance about 4 feet.
I then timed how long it took to focus on infinity using phase-detect of course under sunny conditions. I measured 0. It was hard to even notice a focus slowdown when using the teleconverter. I had braced for something much worse than this. You have been notified. Sigma USB Dock.
The calibration settings for the teleconverter shown above are saved separately from the mm lens calibration settings.
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