Feel the dream of large aperture: Seven Craftsman 55mm F1.4 lens review
This article comes from Jiayou Online
I believe that every photographer must have a large aperture lens in his hands, whether it is shooting portraits, still lifes or some other photography subjects, the large aperture lens is for us It is very important. A good lens can double our shooting experience. Today I’m going to introduce you this 55mm F1.4 large aperture lens from Seven Craftsmen. It has a soft and soft blur effect and the overall details are excellent. Below Let’s take a look at its performance.
Seven Craftsman 55mm F1.4 is a cost-effective lens, specially made for APS format mirrorless camera, the lens has 5 groups of 6 professional optical glass, 7 layers of high transmittance coating, mirror The surface of the barrel is made of aluminum using anodizing process. It can be used on mirrorless cameras with APS format such as Canon, Sony, Fuji and Olympus. This time we evaluated the Fuji X-mount version. When paired with an APS-C format camera, the focal length is converted to 85mm.
As we all know, 85mm is the golden focal length for close-up portraits. It can be used in close-ups of faces, half-length portraits, and full-length portraits to obtain excellent background blur effects. The Seven Craftsman 55mm F1.4 has a small and light volume, which is very easy to carry. The aluminum surface has a slightly retro appearance and is very coordinated with the micro single body. At the same time, the large aperture can guarantee more light input, faster shutter speed, high-quality photos can be taken in limited light environment, the background blur is soft, effectively highlight the subject and capture the beautiful moment.
Schematic diagram of lens structure
lens MTF curve Figure
Introduction to the appearance of
Seven Craftsman 55mm F1.4 is a manual focus lens, all of which uses metal parts to ensure the accuracy and durability of the lens assembly. The size of the lens filter is 43mm and the weight is only 272g. The compact body is also very suitable for daily travel or travel. Put it in your pocket and take it immediately.
七工工55mm F1.4 lens coating
In terms of lens structure, the Seven Craftsman 55mm F1.4 uses 6 professional optical glass in 5 groups, with a maximum aperture of 1.4 and a minimum aperture of 16, which can ensure sufficient light input At the same time, it also brings more creative space for photographers. On the front of the lens is clearly printed the logo, number and lens model of the seven craftsmen.
七工工55mm F1.4 lens mount
Seven Craftsman 55mm F1.4 adopts a metal mount, which is sturdy and durable.
七工工55mm F1.4 control ring
Seven craftsman 55mm F1.4 adjustment ring is at the front end of the lens body, and the lens body is equipped with a focus ring, aperture ring and depth of field reference scale.
Next, we will test the resolution of Seven Craftsman 55mm F1.4 in actual scenes. The entire scene has a rich level of detail, and the frontal composition is also used to ensure that the edge of the picture can also be in focus, so as to better reflect the resolution of the edge and be relatively objective.
Schematic diagram of interception area
七工工55mm F1.4 Resolution Test Table
Through comparison, we can see that the performance of the Seven Craftsman 55mm F1.4 center resolution when the aperture is fully opened is slightly flawed, and the picture details are slightly blurred. When the aperture is closed The image quality is the best from F5.6 to F16, and the edge resolution is also excellent, but it is slightly lower than the center, and the best aperture is at F8.
Seven Craftsman 55mm F1.4 has a maximum aperture of F1.4, which can bring a perfect blur effect when shooting. This feature is shown in the following samples It can be seen that now we have passed actual tests to see how the aperture performance of Seven Craftsman 55mm F1.4 is.
七工工55mm F1.4 Aperture Test Table
From the test chart, you can clearly see the difference in the background blur effect under different apertures. The Seven Craftsman 55mm F1.4 can get a very good blur effect when the F1.4 aperture is fully opened, which is suitable for shooting photography suitable for large aperture effects.
Seven Craftsman 55mm F1.4 vignetting test table
Through the real shot test, we can see that the Seven Craftsman 55mm F1.4 has obvious vignetting when the aperture is fully opened. As the aperture shrinks, its dark The angle phenomenon gradually diminished, and the vignetting angle improved after receiving F4. Overall, the vignetting performance of this lens is still good.
Seven Craftsman 55mm F1 .4 Distortion test
Through the distortion test sample, it can be seen that the Seven Craftsman 55mm F1.2 basically has no distortion and the performance is very good.
Focal length: 55mm ISO: 400 Aperture: F1.4 Shutter: 1/125s
Focal length: 55mm ISO: 400 Aperture: F1.4 Shutter: 1/250s
Focal length: 55mm ISO: 200 Aperture: F1.4 Shutter: 1/125s
Focal length: 55mm ISO: 200 aperture: F4 shutter: 1/400s
Focal length: 55mm ISO: 600 Aperture: F1.4 Shutter: 1/125s
Focal length: 55mm ISO: 800 Aperture: F1.4 Shutter: 1/250s
Focal length: 55mm ISO: 1600 Aperture: F1.4 Shutter: 1/125s
Focal length: 55mm ISO: 2000 Aperture: F1.4 Shutter: 1 /125s
focal length : 55mm ISO: 1600 Aperture: F1.4 Shutter: 1/250s
Focal length: 55mm ISO: 800 Aperture: F1.4 Shutter: 1/125s
Focal length: 55mm ISO: 1600 Aperture: F4 Shutter: 1/125s
Focal length: 55mm ISO: 1600 Aperture: F1.4 Shutter: 1 /125s
focal length : 5 5mm ISO: 3200 Aperture: F1.4 Shutter: 1/125s
Seven Craftsman 55mm F1.4
With the lens of the APS-C format camera, it must have a small and light volume , This seven craftsman 55mm F1.4 has a small and light volume, excellent image quality and soft blur effect, while the metal mirror body is also full of texture, with Fuji X-T3 highlighting the retro quality. If you happen to need a large aperture lens that is always portable, the Seven Craftsman 55mm F1.4 must be a very cost-effective choice.
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