[bunbun05]

(1) sigma AF 30mm f/1.4 EX DC HSM $2750

(2) sigma AF 50mm f/1.4 EX DG HSM $3400

有無人用緊? 50mm仲貴過30mm, 唔知DC同DG有咩分別.

(本來想買Nikon AF-S 50mm f/1.4G, 但貴到不得了)

[snoopybee]

鼓勵大家自己上網找尋要找的資料.

要知 Sigma 鏡, 可去 Sigma 的 official website. (搵唔到就自己去 google, yahoo 找)

小弟都係上去趴一大輪, 唔明再來問師兄.

[Xplore]

DC
These are dedicated digital SLR camera lenses with an image circle designed to suit image sensors that correspond to APS-C size. Inhouse technology accumulated through the development of our digital SLR camera was used to optimize optical performance for our digital lenses. This is a high-performance lens series that fuses technology such as lens power layout and coating design with the know-how Sigma has built up over many years of developing interchangeable lenses for SLR cameras. By reducing the diameter of the image circle, Sigma has achieved a more compact, lightweight lens series.
* An image sensor larger than those corresponding to the APS-C size cannot be used in digital SLR cameras, 35 mm SLR cameras, or APS film SLR cameras. If such an element is used, vignetting will occur on the picture surface. The angle of view varies depending on which camera model the lens is used with. 35mm format is approximately 1.5 - 2.0 times the focal length of the lens being used.

[Xplore]

DG
These are high-performance lenses optimized for digital cameras. They are ideal not only for 35 mm digital SLR cameras and film digital SLR cameras but also for APS-C digital SLR cameras. They deliver superior image quality by correcting for all types of aberration, especially distortion, and they have high resolution capability because they minimize chromatic aberration of magnification, which is particularly a problem for digital cameras. What is more, these lenses incorporate optical designs optimized for digital cameras and Sigma's own Super Multi-Layer Coating technology, so they reduce flare and ghosting due to reflection between the image sensor and lens surfaces, and they provide high contrast and a wide range of tone. They also provide enough peripheral brightness with little vignetting.

[Xplore]

DG
廣角大光圈及較短最近對焦距離，邊緣範圍明亮清晰，配搭數碼單鏡反光機最為理想。亦適用於傳統底片單眼相機。

DC
針對大部份數位單眼相機之成像圈特點而設計之鏡系。因鏡頭之成像圈可相對減小，故此鏡身更趨纖巧及輕盈，高品質之光學表現更易掌握。利用適馬先進之鏡頭生產技術，此類數位單眼相機鏡頭在體積上，重量及光學上均有優異表現。

[wanda]

唔好意思, 想問樓主呢兩支既價錢o係邊度買架? 我都係D60, 對支30 1.4 好有興趣!

(本來想買原廠既35 f2.0, 但而家加價加到$22xx, 咁不如考慮呢支)

[cy3213]

AF35.2D在D60都不能AF。

[wanda]

我都知用唔到AF, 我用緊支50 1.8, 都係要MF

[dinomak]

30mm 1.4 天x / x祥 水/ 268x