Average Reviews:
(More customer reviews)I just got (after 8 working days, that is fast!!!, all the way from Seller at NYC to Mexico City, for only 10 bucks!!!) the Digital Concepts (Sakar) 2X Teleconverter for Sony Alpha. It is very well constructed and fits perfectly, in fact it is just the same construction and quality as some other brand-name teleconverters (Vivitar, Bower, Kenko, I guess they are all manufactured at the same plant... -China-). As expected, it doubles focal length at the expense of lens speed by also 2X, that is if you use a 75-300 4.5-5-6f (as I do), you will end with a 150-600 11f.
Performance is pretty good considerng that you will loss autofocus with such small aperture but anyway no need to autodocus on distant objects as infinite position is almost a constant at such far away targets. I have taken some amazing moon shots and far away volcanos with great success. I still beleive that this is a much better solution against croping on your camera or PC.
All in all, I fully recomend this teleconveretr to expand your lens collection, and for the price you will end doubling your reach and lens stock!!!!
Click Here to see more reviews about: Digital Concepts 2X AF Teleconverter for Minolta Mx / AF Lenses
The Digital Concepts 2x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. This precision optical accessory, which is compatible with your Minolta AF camera, allows you to increase the focal length of your lens without sacrificing optical quality. For example, using a 2x teleconverter with a 300mm lens will effectively increase the focal length to 600mm. A lens set to f/2.8 will now be f/5.6. It also reduce depth of field to the 50% of the master lens
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