New optical design: advanced 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion and reduced vignetting. Like the revolutionary original Metabones Speed Booster announced in January 2013, the Speed Booster ULTRA has a magnification of 0.71x, and so it effectively reduces the crop factor of mirrorless cameras with DX-sized sensors, such as Sony E-mount and Fuji X-mount cameras, from 1.5x to 1.07x. However, the new ULTRA design makes very effective use of exotic materials at the furthest limit of glassmaking technology, and as a result is well corrected for use with virtually all fullframe SLR lenses regardless of exit pupil distance. Thus, the Speed Booster ULTRA performs extremely well with professional-grade f/2.8 zoom lenses such as the 24-70mm f/2.8 and 70-200mm f/2.8 zooms by Canon and Nikon to produce 17-50mm f/2.0 and 50-142mm f/2.0 high-speed zooms, respectively. Similarly, high-speed fixed focal length lenses such as a 50mm f/1.2 will be transformed into a 35.5mm f/0.9 lens with excellent contrast and resolution from the center all the way to the edges of the image.
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Our Return Policy: It's really simple.
If you are not happy with the cameras or camera lens you bought, we'll take it back as long as it is within 14 days of when you got it and it is not a special ordered item.
If it's brand new and unopened, we'll give you a refund with with a 20% re-stocking fee deducted from the refund . The only times we don't accept a return is if it is used or damaged by you or if the product is returned incomplete.
If the fault is on us (mixed up, faulty on arrival), we'll of course pay for return shipping.
How to return?
Simple, easy, no rocket science. Just good common sense.
The Full Terms:
You do not have to give a reason to return your order if all of the are true:
Refund Requirements:
All of the following conditions must be met for us to issue you a 20% re-stocking fee deducted from the refund:
Items that cannot be returned:
We also reserve the not to accept a :
Other Notes:
We reserve the right to change this policy at any time.
Free delivery
Free delivery for most orders
14 Days Return
Return within 14 days for a refund, no questions asked.