This Metabones Canon FD/FL Lens to L-mount Speed Booster ULTRA 0.71x - With Tripod Foot advanced 5-element/4-group optical design incorporating ultra-high index tantalum-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 and Super35 camcorder, such as Sony E-mount, Fuji X-mount cameras Sony FS7 MARKII, 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 full-frame SLR/Prime lenses regardless of exit pupil distance.
Color | Black Satin Exterior Black Matte Interior |
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Magnification | 0.71x |
Crop Factor with DX format Camera | 1.07x |
Maximum Output Aperture | f/0.90 (with f/1.2 Lens Attached) |
Rectilinear Distortion | < 1% |
Lens Elements/Groups | 5/4 |
Length Reduction | 4.2mm |
Camera Mount | L-Mount |
Image Format | DX, APS-C |
Lens Mounts | Canon FD/FL |
Lens Compatibility | Any full-frame lens with the appropriate mount can be used. DX lenses can be mounted but will result in severe vignetting in most cases. Canon EF-S lenses are not supported |
Special Features | Long Throw clickless aperture ring on Nikon F/G version; AF/IS support and in-camera aperture selection with Canon EF to Sony E version. |
Tripod Mount | Robust Removable Type with Arca Swiss Compatibility |
Dimensions | 1.06 x 2.99 x 2.83" (27 x 76 x 72mm) for Canon EF Version |
Weight | 6.80 oz (193g) |