[DCRo9oR]

Marco....質數又如果?....或是其他鏡頭18-50mm F2.8好些?多謝師兄意見...

[fredrace]

色麻支18-50/2.8比起龍仔嘅17-50/2.8差少少，睇以下兩支鏡review
http://www.photozone.de/Reviews/Nikkor%20/%20Nikon%20Lens%20Tests/46-nikon--nikkor-aps-c/315-sigma-af-18-50mm-f28-dc-ex-macro-review--lab-test-report
http://www.photozone.de/Reviews/Nikkor%20/%20Nikon%20Lens%20Tests/46-nikon--nikkor-aps-c/290-tamron-af-17-50mm-f28-sp-xr-di-ii-ld-aspherical-if-nikon-test-report--review
至於macro，1:3放大率用喺APS度大概1/2倍

[靚蝦王]

用過hsm 同non-hsm sigma既18-50 macro, 同朋友一齊影過尖咀試a16 同 non hsm 版
quality 一定係sigma non-hsm macro 靚d~
但係呢, hsm 版冇non hsm版咁靚, 我冇直接比較為a16 同hsm 版, 但我估 a16可能會好過hsm 版d.......