Samyang AF 45mm F1.8 FE § 03 Head to head
Samyang AF 45mm F1.8 FE vs Sony E 50mm F1.8 OSS
Samyang 45mm f/1.8 has a wider field of view. Sony 50mm f/1.8 has a longer reach.
Both lenses are made for the Sony E mount: the Samyang AF 45mm F1.8 FE is a 45mm f/1.8 prime, and the Sony E 50mm F1.8 OSS is a 50mm f/1.8 prime. On paper the Samyang AF 45mm F1.8 FE comes out ahead, 6 advantages to 4, but which one suits you depends on what you shoot.
Samyang AF 45mm F1.8 FE 
Sony E 50mm F1.8 OSS 01
Key differences
Why is the Samyang AF 45mm F1.8 FE better than the Sony E 50mm F1.8 OSS?
- Wider field of view (45mm vs 50mm)
- 40 g lighter (162 g vs 202 g)
- 6 mm shorter (56.1 mm vs 62 mm long)
- More aperture blades (9 vs 7)
- Covers a larger sensor format (full-frame vs APS-C)
- Newer design (2019 vs 2012)
Why is the Sony E 50mm F1.8 OSS better than the Samyang AF 45mm F1.8 FE?
- Longer reach (50mm vs 45mm)
- Focuses 6 cm closer (0.39 m vs 0.45 m)
- Higher maximum magnification (0.16x vs 0.12x)
- Has optical image stabilization
02
Which should you buy?
- low-light For low-light shooting, the Sony E 50mm F1.8 OSS has the edge: it has optical image stabilization.
- portrait For portrait photography, the Samyang AF 45mm F1.8 FE has the edge: it is 40 g lighter to carry.
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Specification
| Specification | Samyang AF 45mm F1.8 FE | Sony E 50mm F1.8 OSS |
|---|---|---|
| Focal length | 45mm | 50mm |
| Maximum aperture | f/1.8 | f/1.8 |
| Minimum aperture | f/22 | f/22 |
| Lens type | Standard prime lens | Prime lens |
| Format | Full Frame | APS-C |
| Weight | 162 g (5.7 oz) ◆ | 202 g (0.45 lbs) |
| Dimensions | 61.8 mm (diameter) x 56.1 mm (length) | 62 mm (diameter) x 62 mm (length) |
| Minimum focusing distance | 0.45 m (1.48 ft) | 0.39 m (15.35 inches) ◆ |
| Maximum magnification | 0.12x | 0.16x ◆ |
| Image stabilization | No | Yes ◆ |
| Weather sealing | No | No |
| Aperture ring | No | No |
| Aperture blades | 9 (rounded) ◆ | 7 (circular) |
| Optical construction | 7 elements in 6 groups (2 aspherical, 1 extra-low dispersion) | 8 elements in 7 groups |
| Filter size | 49 mm | 49 mm |
| Lens mount | Sony E | Sony E |
| Released | 2019 | 2012 |
04
Size
- A · Samyang
- B · Sony
- 56.1 × 61.8 mm
- 62 × 62 mm
The Sony E 50mm F1.8 OSS is 6 mm longer and 40 g heavier than the Samyang AF 45mm F1.8 FE.
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Sample frames
Samyang AF 45mm F1.8 FE
Sony E 50mm F1.8 OSS
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Video reviews
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Questions
- Which is lighter, the Samyang AF 45mm F1.8 FE or the Sony E 50mm F1.8 OSS?
- The Samyang AF 45mm F1.8 FE weighs 162 g, 40 g less than the Sony E 50mm F1.8 OSS (202 g).
- Which focuses closer, the Samyang AF 45mm F1.8 FE or the Sony E 50mm F1.8 OSS?
- The Sony E 50mm F1.8 OSS focuses down to 0.39 m, against 0.45 m for the Samyang AF 45mm F1.8 FE.
- Do the Samyang AF 45mm F1.8 FE and the Sony E 50mm F1.8 OSS have image stabilization?
- Only the Sony E 50mm F1.8 OSS has optical image stabilization.
- Is the Samyang AF 45mm F1.8 FE or the Sony E 50mm F1.8 OSS better for low-light shooting?
- For low-light shooting, the Sony E 50mm F1.8 OSS has the edge: it has optical image stabilization.
- Is the Samyang AF 45mm F1.8 FE or the Sony E 50mm F1.8 OSS better for portrait photography?
- For portrait photography, the Samyang AF 45mm F1.8 FE has the edge: it is 40 g lighter to carry.
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