Latest Review Posted | Vivitar (komine) Auto Telephoto 135mm F2.8 I bought this Vivitar 135mm F2,8 ( 55mm filter thread , not the close focusing variant ) Komine made in K-mount and tested it against some steep competiton , Tamron 90mm DG F2,8 Macro and Pentax FA 200mm F2,8 . At F8 the Vivitar has excellent resolution , better than Pentax M 135mm F3,5 which I had for a while but the surprise is the very good image quality at F3.5 , as sharp as the FA 200 and very close to Tamron 90 , all tested at F3,5 in exactly the same conditions with Pentax K20D RAW image . Minimal loss of resolution at the corners which means that this is a high quality lens which can be used wide open with very good results , much better than Pentax-M 135 F3,5 and not much larger at 390g . Excellent mechanically , great handling and superior optics for 70 $ ( mint condition ) , isn't it lovely ? |