PRODUCT REVIEW

SAMYANG AF 45mm F1.8 FE SONY E-MOUNT

This is an in-depth review of the Samyang AF 45mm F1.8 FE prime lens. Mirco Zancanella 2019-05-14
SAMYANG AF 45mm F1.8 FE SONY E-MOUNT


General aspects and image quality

This is an in-depth review of the Samyang AF 45mm F1.8 FE  prime lens. 


The Samyang AF 45mm F1.8 FE is a consumer-grade lens for photographers who seek a normal distance prime lens with quality optics at an affordable price. Its large aperture of f/1.8 is great for low-light photography and the shallow depth of field helps isolate subjects from the background.

I’m an everyday user of the Sigma art 50 f1.4 and I have to say that the Samyang AF 45mm F1.8 FE does not cut a poor figure next to it. Obviously they are lenses from different market segments so the quality of the Sigma art is unavoidably better but, as mentioned, the quality of the Samyang AF 45mm F1.8 FE is also really good.

In my opinion, a 45mm is much better than a 50mm. It is more versatile, more interesting and lets you be more creative when composing different pictures.







 

 

 

Lens features 

Main Features:

Good sharpness;
Low weight;
Nice autofocus;
Lovely sunstar.


Technical Specifications:

Mount Type: Sony e-mount
Focal Length: 45mm
Maximum Aperture: f/1.8
Minimum Aperture: f/22
Format: FX/35mm
Lens Elements: 7
Lens Groups: 6
Diaphragm Blades: 9 
Autofocus: Yes
Minimum Focus Distance: 0.45m 
Filter Size: 49mm
Dimensions: 56.1mm
Weight: 162g



Lens Handling and Build

Similar to the recently introduced Samyang AF 85mm F1.4 FE prime lens, the Samyang AF 45mm F1.8 FE has a solid build, with a plastic exterior and a metal mount. Compared to the Sigma art lens, I have to say that “dimensions count”. The Samyang AF 45mm F1.8 FE is really small and light.





Due to its dimensions, the Samyang AF 45mm F1.4 FE is highly suited for street photos and videos on a gimbal or other stabilizers (even the smallest and cheapest will stabilize your camera with a Samyang AF 45mm f/1.8 mounted on it).
(HERE YOU CAN PUT A VIDEO)



Autofocus Performance and Accuracy

The Samyang AF 45mm F1.8 FE autofocuses as fast as the more expensive Sigma art 50 f1.4. When I first mounted both lenses on two different camera bodies and went from infinity to close focus and back, I was pleasantly surprised to see the Samyang AF 45mm F1.8 FE autofocus feature. 

Next, I performed a series of tests both indoors and outdoors to see how accurate the autofocus on the Samyang AF 45mm F1.8 FE is versus the Sigma art 50 f1.4: same results. Even under very dim lighting conditions, both lenses had no issues achieiving correct focus on dark subjects, which is a good thing. So, performance and accuracy are really good on the Samyang AF 45mm F1.8 FE.







Conclusions

I was quite surprised to see such results in my tests: the Samyang AF 45mm F1.8 FE is light and small so I didn’t expect such an amazing result. I can only assume that the performance is this good due to the quality of the elements in the lens, but I am sure other lens design factors also contribute. 

I really enjoyed shooting with this lens in outdoor environments and it performed great even in challenging light. Its AF performance is impressive and the lens delivers accurate results when mounted both on top of the mirrorless like Sony a7iii or Sony a7rii and on entry-level like Sony a6300. 

The bokeh looks like a cat eye. It’s a bit nervous but really enjoyable at sight at maximum aperture. Colors and contrast are also very good; I could not see any difference when compared to the Sony 55mm f1.8. Due to its light weight and relatively small size (when compared to zoom lenses and longer primes), the Samyang AF 45mm F1.8 FE works great on any mirrorless. The lens is great for portraits, street, events, wedding photography and FX or DX cameras.

When compared to other 50mm lenses currently available on the market, the Samyang AF 45mm F1.8 FE definitely has the highest price-performance ratio. 

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森养最佳标准画角提案解析

从人与人之间的关系乃至为了营造美丽的空间而布置装饰品时都需要保持适当的距离。那么,为了更好地欣赏美术或摄影作品,我们应该保持多少距离?

答案是相当于“作品框架对角线的长度”的距离。

표준화각 자료 이미지
표준화각 자료 이미지

为了将作品完整地纳入视野并予欣赏,保持相当于作品对角线的距离为宜。如果距离过近,将大于人眼可集中精力的50°视角而无法取的良好的欣赏效果。

为了最佳欣赏效果与最佳视角而保持理想距离也适用于摄影技术。在拍摄静止画像的摄影技术中,将等于摄像面对角线长度的焦距镜头定义为标准镜头。数码相机的全帧传感器尺寸为36x24毫米,其对角线距离约为43.26毫米,标准镜头应为多少毫米以下的最理想答案可以称为“接近43.26毫米的数据”,而难以断定是至今被视作标准镜头代名词的“50毫米”。

以往与胶片对角线长度相仿的45mm画角镜头较为常见,随着SLR相机大获成功,为了保留可容纳反射镜的空间,50mm被视作标准镜头。但是,最近随着无反相机底边大幅放大, 鉴于无反相机法兰距短的特点,需要将标准镜头的画角以45mm再度予以解释,由此开始研发AF 45mm F1.8 FE。 与35mm画角镜头相比,三阳的AF 45mm F1.8 FE将畸变现象降至最低,且比55mm画角拍摄范围宽,为人物、风景、建筑物及宠物等各种主题摄影呈献令人满意的效果。

DSLR / Full Frame
1D X Mark Ⅱ
1D X
1Ds Mark Ⅲ
1Ds
5DsR
5Ds
5D Mark Ⅳ
5D Mark Ⅲ
6D Mark Ⅱ
6D
DSLR / APS-H
1D Mark Ⅲ
1D
Mirrorless / APS-C
M6
M5
M10
M3
M2
DSLR / APS-S
7D Mark Ⅱ
7D
80D
70D
60D
30D
D60
D30
77D (9000D)
760D (8000D / Rebel T6s)
1300D (Kiss X80 / Rebel T6)
1200D (Kiss X70 / Rebel T5)
200D (Kiss X9 / Rebel SL2)
800D (Kiss X9i / Rebel T7i)
700D (Kiss X9i / Rebel T7i)
100D (Kiss X7 / Rebel SL1)
650D (Kiss X6i / Rebel T4i)
600D (Kiss X5 / Rebel T3i)
550D (Kiss X4 / Rebel T2i)
500D (Kiss X3 / Rebel T1i)
1000D (Kiss F / Rebel XS)
450D (Kiss X2 / Rebel X냐)
DSLR / Full Frame
D850
D5
D810A
D4S
D810
D750
Df
D610
D4
D800
D800E
D600
D3s
D3x
D700
D3
DSLR / APS-C
D7500
D3400
D500
D5600
D7200
D5500
D3300
D7100
D5300
D5200
D7000
D300s
D300
DSLR / Full Frame
Z6
Z7
D810A
D4S
D750
D810A
DSLR / APS-C
D7200
D500
D3300
D5500
D5600
D3400
D7500

* Cameras released within 5 years from 2019 are tested.

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