High-quality large aperture portable ultra-wide-angle zoom Sony SEL1625G lens real shooting experience

At this year’s CP+ exhibition in Japan, Sony released the FE24-50mm F2.8G lens, which is a lightweight and compact large-aperture G lens that can satisfy both static images and dynamic videos. In mid-April this year, Sony suddenly released the FE16-25mm F2.8G lens (hereinafter referred to as SEL1625G), which is a lightweight large-aperture zoom ultra-wide-angle lens with the same specifications as the SEL2450G. The Sony FE16-25mm F2.8G lens is an ultra-wide-angle zoom lens. It is not only suitable for shooting large scene scenery, but also a lens suitable for video Vlog shooting. It has excellent performance when paired with the Sony A7 series or ZV-1 body. Portability. Next, I will briefly share my experience using this lens through some photos taken using Sony SEL1625G during this period.

To experience a lens product, you must first look at the appearance of the lens.

Sony SEL1625G is a lightweight ultra-wide-angle zoom lens. The lens has a volume of approximately φ 74.8mm × 91.4mm and a weight of approximately 409g. When used with the Sony A7C series or Sony ZV-E1, it is not only lightweight but also very portable.

In terms of appearance design, the appearance of Sony SEL1625G continues the design language of Sony lenses. The all-black appearance looks professional and low-key. The "FE 2.8/16-25G" model number is laser-engraved on the lens, allowing you to know the lens model information at a glance.

Like other Sony lenses, in order to be suitable for video shooting, Sony SEL1625G also has an independent aperture ring, and a stepless/stepped aperture switch (Click ON/OFF) is also added to the lens body, which can make the lens aperture at Switching between stepped and stepless makes it easier to adjust the lens aperture during video shooting. In addition to the above-mentioned function switches, Sony SEL1625G also designed an AF/MF switch and a focus hold button, which can lock the focus and customize other functions through the body.

The Sony SEL1625G lens filter diameter is 67mm, and the lens front group coating shows a bright green color, which can more effectively suppress glare and ghosting. The front lens of the lens also uses a fluorine coating design, so fingerprints or stains accidentally stuck on during daily use can be easily wiped off. In addition, the Sony SEL1625G comes with a petal-shaped lens hood, which can effectively protect the lens and avoid the impact of excess stray light on the image when shooting.

After briefly introducing the appearance of the Sony SEL1625G lens, let’s talk about the actual shooting experience of this lens.

According to Sony’s official information, the Sony SEL1625G lens uses 3 aspherical lenses, 3 ED low dispersion lenses and 1 ED aspherical lens. The lens specifications are very similar to the previously released SEL2450G. The optical design of Sony SEL1625G can better correct chromatic aberration and spherical aberration, allowing the lens to deliver excellent optical performance throughout the entire zoom range, achieving excellent contrast and clarity.

I also simply took real-life photos of the Sony SEL1625G in the same scene at various apertures to test the image quality performance of this lens. The camera I used was a Sony A7C R, and the sensitivity was set to ISO100 when shooting.

First, let’s take a look at the real-life image quality of this lens at the 16mm end.

Judging from the photos taken, Sony SEL1625G has very good image quality at the 16mm wide-angle end. At the maximum aperture of F2.8, the image quality in the center and edges of the lens is very good, and the center image quality does not appear clear. , the edge image quality is degraded. At the minimum aperture of F22, the sharpness of the center and edges of this lens decreases significantly. This is mainly caused by small aperture diffraction, which has little impact on daily use.

The next step is the real-life imaging quality test at 25mm.

From the actual photos taken, the imaging performance of the 25mm end of Sony SEL1625G is very similar to that of the 16mm end Similar, center of frame at maximum F2.8 aperture The image quality at the edges is very good, and there is no image quality degradation or "edge collapse" at the edges. Up to the minimum aperture F22, the picture quality will be degraded due to the small aperture diffraction phenomenon.

In addition, I also deliberately used the A7C R with the SEL1625G lens to take some still life photos in an indoor environment. This kangaroo-shaped art installation is zoomed in at 100% to view the details. You can see that the details of the hair are very clear, which shows that the resolution performance of Sony SEL1625G is very good.

Sony SEL1625G real-life sample photos

100% enlarged screenshot display

In addition to the image quality performance, I also tested the backlight shooting performance of this lens when shooting.

First of all, when shooting in a pure backlight environment, the Sony SEL1625G lens, whether it is 16mm or 25mm, has very good control over glare and ghosting when shooting backlight, so you can shoot with confidence in daily backlighting.

Sony SEL1625G Lens 16mm Flare Performance

Sony SEL1625G Lens 25mm Flare Performance

In addition, when the lens is shot against the light, there will be slight dispersion at the edge of the highlights. When shooting in RAW format, dispersion can be easily eliminated through post-production without having a major impact on the photo.

Secondly, whether it is the 16mm end or the 25mm end of the SEL1625G, there will be vignetting at the maximum aperture of F2.8, but the vignetting is not serious. After all, for an ultra-wide-angle lens, such vignetting performance is acceptable.

In terms of distortion, the Sony SEL1625G lens has obvious distortion when the in-camera correction is not turned on at the 16mm end, but the distortion is not obvious after it is turned on; the 25mm end has slight barrel distortion when the in-camera correction is not turned on. After turning on the correction, the distortion is completely invisible. The distortion at the 16mm ultra-wide-angle end can be easily corrected through post-processing, and it will not have a big impact on the photos.

之後，簡單說一說索尼 SEL1625G 的影片表現。

如今隨著影片 Vlog 的流行，越來越多的朋友選擇使用影片的方式記錄生活的瞬間。使用索尼 1625G 超廣角鏡頭進行拍攝視頻，超廣的視角可以提供更廣的視角、更大的空間感，為畫面帶來更強的視覺衝擊。對於個人用戶來說，超廣角鏡頭更適合日常拍攝 Vlog 使用，例如自拍時，不僅可以確保人物全部收納在畫面中，再加上更多的環境元素，讓影片具有更自然視角。

對於一支鏡頭來說，影片拍攝時主要考慮兩點，一個是鏡頭的呼吸效應；另一個則是鏡頭變焦過程中，對焦是否會保持鎖定在被攝主體上，整個過程是否會出現焦點偏移。

索尼 SEL1625G 呼吸效應測試

先看 SEL1625G 的影片呼吸效應表現。搭配Sony A7C R 機身時，可以在相機的設定中開啟呼吸效應補償功能，在影片拍攝時切換對焦點，整個過程幾乎看不到呼吸效應，讓切換焦點畫面過度更加平穩。

索尼SEL1625G 焦點偏移測試

實際拍攝測試，拍攝影片時從16mm 端變焦到25mm 端，可以看到焦點始終鎖定在畫面中最遠的人偶身上，在整個變焦過程中並未出現焦點偏移的情況。

最後，結合最近使用索尼 SEL1625G 鏡頭的實拍一些照片，來簡單說一說這支鏡頭的使用感受。

首先，Sony A7C R 搭配 SEL1625G 鏡頭的便攜性非常好，整套設備的體積小巧，日常使用的 EDC 背包即可將這套設備收納其中，便於隨身攜帶。 Sony SEL1625G 僅為 409 克的重量加上本就小巧的索尼 A7C R 機身，長時間拍攝也不會因為重量問題帶來疲憊感。

焦距:16mm 光圈:f/7.1 感光度:ISO100 曝光時間:1/250s 白平衡: 自動

焦距：16mm 光圈曝光時間白平衡: 自動

焦距:16mm 光圈:f/8 感光度:ISO100 曝光時間:1/400s 白平衡: 自動

其次，索尼SEL1625G 的像素表現非常好，搭配610 萬R 進行拍攝，鏡頭的解析力帶來了非常好的畫質體驗，超廣角鏡頭不僅可以帶來畫面上的視覺衝擊力，再加上鏡頭F2.8 的大光圈，近距離拍攝時也能通過背景虛化突顯拍攝主體，營造更好的視覺觀感。

焦距:16mm 光圈:f/14 感光度:ISO100 曝光時間:1/80s 白平衡: 自動

焦距:25mm 光距焦距曝光度/光圈時間/000:25mm 光距焦距曝光度：25mm 光距時間/0001090900:25mm 光距曝光度 25mm白平衡: 自動

最後，索尼SEL1625G 的對焦速度快並且精準，特別是視頻拍攝時，這支鏡頭在對焦表現、呼吸效應等方面表現均很出色，適應各種快速移動視頻拍攝對焦。

焦距:16mm 光圈:f/2.8 感光度:ISO640 曝光時間:1/60s 白平衡: 自動

焦距：25mm 光圈曝光時間白平衡: 自動

焦距:25mm 光圈:f/2.8 感光度:ISO640 曝光時間:1/500s 白平衡: 自動

總之，SonySEL1625G 雖然不屬於索尼的G 鏡頭系列鏡頭，但是這支大師的綜合鏡頭光學性能表現非常好，不論是風景攝影、建築攝影或環境人像，都非常適合拍攝。鏡頭的體積小巧，加上僅 409 克的重量，對於影片拍攝也十分友善。可以說，這支鏡頭將出眾畫質表現和靈活創作做到了一個合理的平衡點，直擊到那些需要攝影器材即要輕巧便攜，又要具備高畫質用戶的痛點，完全用戶的日常拍攝需要。

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