This large-apeture, ultra-wide angle prime 20mm lens from Sony offers rich colors and excellent detail. Search it on youtube and you’ll find many excellent ratings from DSLR pros in the review videos. This lens is as pristine and as close to new as they come. Save some major cash vs. Also NOT grey market, refurbished, or missing anything in-box unlike many dealer listings! 7.09 / 18 cm. 14 Elements in 12 Groups. Dimensions (ø x L). 2.89 x 3.33 / 73.5 x 84.7 mm. 13.16 oz / 373 g. 7.7 x 4.6 x 4.5. Package includes: lens, front & back caps, lens hood, vinyl drawstring lens case, all original printed manuals, plastic bags, and outer box (see photos).