我是在50 1.4gm出来后入的501.2gm的,说实话50 1.4gm画质真的超好,解析力超过了50 1.2gm。但是50 1.2gm一方面是光圈更大,另外就是焦外光斑口径蚀跟旋焦控制都明显不如5091.2gm。50 1.2gm收到1.8光圈光斑基本全圆了,只有极边缘有点扁,同是1.8光圈下这口径蚀跟尼康新出的135 1.8全开差不多水平。而50 1.4gm也是要到f2.8时才能接近50 1.2的f1.8的效果,口径蚀控制差了一档多确实差距有点大。而且50 1.4口径67仅比50 1.2的72小丢丢。作为对比尼康50 1.2s口径是82mm,但是口径蚀表现也仅跟72mm的50 1.2gm接近。50 1.2gm无论对比50 1.2s还是50 1.4gm,口径蚀控制上50 1.2gm无论对比50 1.2s还是50 1.4gm亦或者501.2l都是极其优秀的。下面图片分别是尼康50 1.2s,索尼50 1.2gm跟50 1.4gm
![](http://tiebapic.baidu.com/forum/w%3D580/sign=ffcf7b6a9bc451daf6f60ce386fd52a5/0ebd628da977391257016655be198618367ae21b.jpg?tbpicau=2024-06-27-05_0a954493d2142f988f0d435fadc1588c)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=48740bc017da81cb4ee683c56266d0a4/8b33b8773912b31b554b2e1dc018367adab4e11b.jpg?tbpicau=2024-06-27-05_45bda19df7f456efe0cb8b640318b906)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=5ce7846296160924dc25a213e407359b/00a79718367adab4a0f7f877cdd4b31c8701e41b.jpg?tbpicau=2024-06-27-05_49e3917d145ad1e1be2f332426ddac98)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=ffcf7b6a9bc451daf6f60ce386fd52a5/0ebd628da977391257016655be198618367ae21b.jpg?tbpicau=2024-06-27-05_0a954493d2142f988f0d435fadc1588c)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=48740bc017da81cb4ee683c56266d0a4/8b33b8773912b31b554b2e1dc018367adab4e11b.jpg?tbpicau=2024-06-27-05_45bda19df7f456efe0cb8b640318b906)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=5ce7846296160924dc25a213e407359b/00a79718367adab4a0f7f877cdd4b31c8701e41b.jpg?tbpicau=2024-06-27-05_49e3917d145ad1e1be2f332426ddac98)