Evaluation of portrait lens master Sony FE 85mm F 1.4 GM

IT 168？ Evaluation of Sony FE 85 mm F 1.4 GM The appearance of this lens undoubtedly supplements the blank that Sony does not have a large aperture portrait focusing head in the micro-single field. The lens structure of 1 XA (extremely aspheric) aspheric lens, 3 ED low dispersion lens and 1 1 circular aperture blade makes the focus clear and sharp, while the Jiao Wai is very soft and smooth, which also makes the lens compromise in size and weight.

"advantages:

1, 1 1 circular aperture blade design Jiao Wai is fuzzy, soft and natural.

2. The focus ring is made of rubber, which makes it feel smooth and less frustrating.

3, solid metal lens barrel, with drip-proof and moisture-proof sealing structure, to achieve all-weather shooting.

"insufficient:

1, slightly larger in volume and weight.

2, the focus is a bit slow

The specific evaluation is as follows:

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"Purchase suggestion:

Since the release of Sony Quan Huafu A7RII, people have gradually realized that it can compete with high-end full-frame digital SLR cameras in many aspects. The only thing that makes people hesitate is the lack of high-end lens groups. So the master G lens series came. Although in terms of volume and weight, the G lens is not smaller than the lens of the same digital SLR camera. But I believe that with its super-high image quality and charming Jiao Wai's blurring and lightness, it will definitely attract professional photographers and senior photographers to join the micro-single camp.

Sony FE 85mm F 1.4 GM

"Click to view the details.

This lens itself is exquisite and weighty. From the actual experience, I was deeply impressed by the sharp details and soft Jiao Wai of this lens, with full aperture and high quality. Unfortunately, although the ring SSM (ultrasonic motor) is used, it feels a little slow because of the long focusing stroke. In terms of price, this lens is about 12000 yuan, which is not cheap. However, if you are a professional photographer and an old Sony user who likes to take portraits and has a relatively adequate budget, you will be attracted by its superb image quality and charming Jiao Wai blur. This lens can be your best choice.

"1, huge volume, excellent workmanship.

The lens is huge and the metal tube is solid and reliable.

After installing Sony FE 85mm F 1.4 GM lens and hood, the body of Sony Quan Huafu micro-A7II can't be placed horizontally.

Equipped with f/ 1.4 constant large aperture, 1 1 circular aperture blade, XD lens and three ed lenses. The lens is equipped with ultrasonic motor, which can provide faster and more accurate focusing.

The focus is clear and sharp, and the Jiao Wai is very soft and smooth, which is also the biggest feature of GM series lenses, with high resolution and beautiful focus.

The original intention of GM design is to create the highest quality portrait photography. Compared with the ordinary lens with the resolution of 10 to 40lp/mm, Sony GM series controls the spatial range at a higher resolution of 50lp/mm, so it compromises in size and weight.

With the update of new grinding equipment, the accuracy of lens is controlled at 0.0 1 micron, which makes the transformation of aspheric lens more perfect.

The 85mm f/ 1.4 GM lens has a manual aperture ring.

The lens side is equipped with AF/MF lever and focus lock button.

The focusing ring located at the upper part of the lens barrel is made of rubber, which makes it feel smooth.

1 1 Aperture blades and huge apertures look very charming.

"2, sharp picture aperture is fully available.

Usually, it is difficult for a large aperture lens to give consideration to the sharpness of focus and the softness of Jiao Wai. In order to get a more natural and soft blur effect, some designers will keep a little spherical aberration under the full aperture, which can provide the ultimate out-of-focus imaging for the picture. We use Sony A7II fuselage with Sony FE 85mm F 1.4 GM lens to take proofs, and take 100% enlarged screenshots of the center and edge of the picture for comparison:

▲ Resolution test According to the 100% enlarged screenshot of the real sample, the Sony FE 85mm F 1.4 GM lens has a slight spherical aberration under the F 1.4 aperture, but it is already very sharp. When the aperture is reduced to F2.8, the resolution of the center and edge is quite sharp. From F 1 1, it drops slightly, but the sharpness is good. Generally speaking, Sony FE 85mm F 1.4 GM lens presents very sharp picture details in the whole process, which can fully meet the daily shooting needs even if the aperture is fully open.

"3, the aperture is fully open, and the dark angle is obvious.

According to the actual test, this lens has obvious dark angle under the large aperture of F 1.4 to F2.8, and performs well from F4 to F 16. When the aperture of a large aperture lens is fully opened, it is inevitable that there will be dark corners. Generally, with the decrease of aperture, the dark angle will gradually decrease and disappear. Dark corners can be removed later, and also have the effect of highlighting the central figure in the picture. So there is no need to worry too much.

"4, the aperture is fully open, slightly purple.

▲ Purple Edge Test As can be seen from the screenshot above, when the Sony FE 85mm F 1.4 GM lens is at the maximum aperture F 1.4, the purple edge phenomenon appears at the Gao Fancha in the picture, but fortunately it is not serious. The aperture is reduced to F2.8, and the purple edge basically disappears. After that, the purple edge was well suppressed. Thanks to the new XA (aspheric) lens and three ED (low dispersion) lenses, the purple edge control of the lens is good as a whole. Users can shoot with a large aperture, and the purple edge can be removed or the aperture can be reduced in post-processing.

"5. The transition in Jiao Wai was soft and natural.

Sony FE 85mm F 1.4 GM lens uses a circular aperture of1/blade to ensure a softer and more natural Jiao Wai blur effect, and a certain spherical aberration is reserved under the full aperture. So what is the blur effect of this lens?

On the whole, the blur effect of Sony FE 85mm F 1.4 GM lens is very obvious at full aperture, and the blur effect of Jiao Wai is soft, and the transition of different colors is natural. Generally speaking, the Jiao Wai blur effect of this lens is very good. Close-range shooting with large aperture, Jiao Wai is very charming, and the effect of shallow depth of field is very good.

6. Summary

Since the release of Sony Quan Huafu A7RII, people have gradually realized that it can compete with high-end full-frame digital SLR cameras in many aspects. The only thing that makes people hesitate is the lack of high-end lens groups. So the master G lens series came. Although in terms of volume and weight, the G lens is not smaller than the lens of the same digital SLR camera. But I believe that with its super-high image quality and charming Jiao Wai's blurring and lightness, it will definitely attract professional photographers and senior photographers to join the micro-single camp.

Sony FE 85mm F 1.4 GM

"Click to view the details.

This lens itself is exquisite and weighty. From the actual experience, I was deeply impressed by the sharp details and soft Jiao Wai of this lens, with full aperture and high quality. Unfortunately, although the ring SSM (ultrasonic motor) is used, it feels a little slow because of the long focusing stroke. In terms of price, this lens is about 12000 yuan, which is not cheap. However, if you are a professional photographer and an old Sony user who likes to take portraits and has a relatively adequate budget, you will be attracted by its superb image quality and charming Jiao Wai blur. This lens can be your best choice.

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