Canon 50mm f1.4 and 85mm f1.8

DSC02494Quick test SB with standard EF lenses. The great advantage is the transfer of information to the EXIF. The first three photos are EF 50mm f1.4, which, according to Speed ​​Booster is changed into 52 mm f1. Two photos are f1, third in the f2 aperture. Last picture is EF 85mm f1.8, which is converted to 89 mm f1.3. Click to see the photos in higher resolution with EXIF information. Continue reading ‘Canon 50mm f1.4 and 85mm f1.8’ »

Canon FD 85mm 1.2 L

The jewel of the old lenses and perfect portrait tool is unquestionably Canon FD 85 mm F1.2 L. Its use on the standard SLR (when converted to EF) is little uneasy, because of the mirror bouncing into it. Original FD series before EF was closer to the film plane by about 2 mm. Workaround can be Live View or a mirror shave. Luckily, with the SB there is no problem, it's quite close though. Occasionally, in this post I will add more examples. Continue reading ‘Canon FD 85mm 1.2 L’ »


After a long wait Speed ​​Booster arrived from England. It works perfectly! For those who can't wait I have the first photo with the lens Canon 50 mm f1.4. Click on the photo to get scaled-down version of the original with the EXIF ​​information as recorded by SB. Continue reading ‘Works!’ »

Astonishing adapter!

If you've ever thought about buying an adapter for Sony NEX, I know no better choice than just SpeedBooster from Metabones! The adapter does not only ensure the use of Canon EF lenses (not EF-S), which can be used almost at maximum. In the absence of a proper site and enough information on the czech web, I decided to create this site.

note: English version is available, but it's an automated translation mostly. Sometimes I have a little time for corrections, but some mistakes remain. Sorry for that.