Metabones Speed Booster Adapter Makes Your Lenses Faster, Wider and Sharper

This is a brief excerpt from PetaPixel

If you read the title and thought “huh?” you’re not the only one. Hearing that an adapter can actually make your lenses faster and wider sounds a bit like photography science fiction, but it’s true and it’s getting some serious attention online — it’s Metabones’ new Speed Booster.

If you want to get into the nitty gritty details of how it works you can find the whole white paper here. The TL;DR version, however, goes something like this:

The Speed Booster is what’s called a focal reducer (see diagram below), basically an inverted teleconverter. Where a teleconverter increases magnification, the Speed Booster has a magnification of x0.71. Because of this, more of the image and more light is able to fall onto the sensor

When you attach a full-frame lens to the adapter, it will give your APS-C or MFT sensor nearly full-frame coverage out of that lens, while increasing the amount of light hitting the sensor by one stop. So a 50mm f/1.4 effectively becomes a 35mm f/1.0.

Because of the way the adapter works you’ll have to use full-frame lenses if you’re using a Sony NEX body. However, micro four thirds …

By: DL Cade

Continued… click here!

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