SG-image AF 35mm F2.2 レンズレビューVol.6 周辺減光・逆光編

ボケ編の口径食からも分かるように、小型軽量な35mm F2.2としては周辺部の光量低下が抑えられています。残存する減光効果は絞っても改善しませんが、許容範囲内。
ただし、個体の問題なのか、絞ると徐々に露出がアンダー寄りとなります。絞りが「閉じすぎる」ことによる光量不足だと思いますが、初期不良なのか、ファームウェアの問題なのか今のところ不明。
逆光耐性は可もなく不可もなく。国産レンズメーカーや中国のハイエンドモデルと比べると見劣りするのは確か。絞り開放における光源付近のフレア、絞った時に発生する筋状の目立つ光条は好みが分かれる可能性が高い。
それでも、極端にフレアが発生しやすいわけでもなく、不快と感じるほど逆光に悩まされることはありませんでした。

As can be seen from the vignetting in the bokeh section, light fall-off at the edges is well controlled for a compact, lightweight 35mm f/2.2 lens. The remaining vignetting does not improve when stopped down, but it remains within acceptable limits.
However, whether this is an issue with this particular unit or not, the exposure gradually becomes underexposed when stopped down. I suspect this is due to a lack of light caused by the aperture ‘closing too much’, but it is currently unclear whether this is a manufacturing defect or a firmware issue.
Its performance in backlit conditions is neither particularly good nor bad. It certainly pales in comparison to Japanese lens manufacturers or high-end Chinese models. Opinions are likely to be divided regarding the flare near light sources at maximum aperture and the prominent streaks of light that appear when stopped down.
Even so, it is not particularly prone to flare, and I did not find myself troubled by backlighting to the point of it being unpleasant.

*当ブログのレビューは冒頭に断りが無い限り、自費購入となっています。