回到Canon系統已有二年時間,在這段期間總希望有一支長距離天涯鏡, 已用了原廠的 IS STM 一段日子, 期間有注視原廠的天涯鏡更新 (100 USM), 可惜遲遲沒有出現, 雖然 Tamron 今年出了 VC PZD MACRO (B016), 但接受不了它的速度和質感, 後來見到 Sigma 出了100mm F3563 DC MACRO OS HSM,而且從 MTF 圖表看出Sigma has announced a new superzoom lens for APSC format DSLRs The 100mm F/3563 DC Macro OS HSM takes its place in the company's 'Contemporary' linep, offering a focal range equivalent to mm The new lens will be available next month for $579 in Sigma, Nikon, Canon Pentax and Sony mounts the latter two will not feature OS optical image stabilizationSigma 100 F3563 DC OS HSM is an Auto Focus (AF) SuperZoom lens with APSC / DX max sensor coverage and it is designed to be used with Sony Alpha mount cameras Lens Mount Sigma 100 F3563 DC OS HSM is compatible with cameras that have Sony Alpha lens mountSome of the latest released cameras with Sony Alpha lens mount are Sony A68, Sony 7 II and Sony A58 Sigma 18 300mm F3 5 6 3 Dc Macro Os Hsm Contemporary Review Pcmag 18-300mm f3.5-6.3 dc macr