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Use this Metabones Canon EF Lens to RF-Mount T CINE Speed Booster ULTRA 0.71x (EOS-R) to adapt Canon EF-mount full-frame lenses to the new Canon RF mount. Filmmakers are now able to mitigate most of the 4k video crop factor of EOS-R (1.75x) and EOS-RP (1.63x), and reduce it to 1.24x and 1.15x respectively to support the newly EOS C70 (Super 35mm sensor). The field of view is now much closer to still photo mode. The Speed Booster is not intended for still photography but will work if the camera is configured to APS-C mode. It uses an advanced 5-element/4-group optical design by Caldwell Photographic, incorporating ultra-high index, tantalum-based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion, and reduced vignetting. The Speed Booster ULTRA has a magnification of 0.71x, effectively reducing the crop factor of 4k video on EOS-R and EOS-RP from 1.75x to 1.24x. It has a design that 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 full-frame SLR lenses regardless of exit pupil distance. 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 to produce 17-50mm f/2.0 and 50-142mm f/2.0 high-speed zooms, respectively. Similarly, high-speed fixed focal length lenses including 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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You can return the purchase within 14 days of purchase provided that the following conditions are met.
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 pay for return shipping.
You can return a purchase if all of the followings are true:
Refund Requirements:
All of the following conditions must be met for us to issue you a refund (with 20% re-stocking fee deducted):
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