Samyang AF 45mm f/1.8 FE Lens
The Samyang 45mm f/1.8 FE is a 45mm f/1.8 lens designed for Sony E mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Samyang AF 45mm f/1.8 FE Lens
Get notified when one lists.
We'll text or email you the moment a Samyang 45mm f/1.8 FE is listed on GearFocus.
Have a Samyang 45mm f/1.8 FE sitting in your bag?
You'd be the first listing for this model.
Serious buyers are already watching — list yours in minutes.
Lens Overview — Samyang 45mm f/1.8 FE
Key Features — Samyang 45mm f/1.8 FE
45mm f/1.8 Prime: A standard focal length slightly wider than 50mm, delivering a natural perspective well-suited to street, portrait, and everyday photography.
Full-Frame Coverage: Designed for Sony E-mount full-frame sensors, and also compatible with APS-C bodies where it gives an effective 67.5mm equivalent.
Sony E-Mount Autofocus: Native Sony E-mount autofocus integration allows the lens to work with the camera's phase-detect AF system for reliable subject tracking and fast acquisition.
162g Compact Build: One of the lightest full-frame f/1.8 primes available for Sony E-mount, making it practical for travel and all-day shooting.
f/1.8 Maximum Aperture: Wide maximum aperture allows for selective focus with background separation and improved performance in low-light environments.
Auto and Manual Focus: Supports both autofocus and manual focus modes, giving photographers flexibility for different shooting styles and situations.
Lens Specifications — Samyang 45mm f/1.8 FE
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Street, Travel |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 45mm |
| Maximum Aperture | f/1.8 |
| Camera System | Mirrorless |
| Lens Mount | Sony E |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Samyang 45mm f/1.8 FE
The Samyang AF 45mm f/1.8 FE is a full-frame prime lens in the Sony E mount, designed specifically for mirrorless camera systems. Its 45mm focal length places it squarely in the standard prime range, offering a natural perspective that suits a wide range of photographic uses. The f/1.8 maximum aperture is a practical choice for those wanting background separation or improved performance in challenging lighting.
Weighing just 162g, it is a genuinely compact option that won't weigh down a mirrorless setup. The 49mm filter thread is a convenient, affordable size for attaching filters. Focus options include both autofocus and manual focus, providing versatility across different shooting situations.
Image stabilization is listed as None, so stabilization-dependent shooting will rely on the camera body. Whether you're building a lightweight travel kit or looking for a fast standard prime, the Samyang AF 45mm f/1.8 FE delivers key specs in a slim, E-mount-ready package.
Pros — Samyang 45mm f/1.8 FE
- ✓Fast f/1.8 maximum aperture enables shallow depth of field and better low-light performance
- ✓Very lightweight at 162g, making it easy to carry for extended shoots
- ✓Full-frame coverage suits Sony E-mount full-frame and APS-C bodies alike
Cons — Samyang 45mm f/1.8 FE
- ✗No image stabilization, so handheld shooting in low light depends entirely on the camera body's IBIS
- ✗Single focal length at 45mm offers no zoom flexibility
- ✗No weather sealing information provided in specifications, which may concern outdoor shooters
Videos — Samyang 45mm f/1.8 FE
Samyang AF 45mm f/1.8 FE lens review with samples (full-frame & APS-C) — Christopher Frost
Frequently Asked Questions — Samyang 45mm f/1.8 FE
What camera mount is this lens compatible with?+
The Samyang AF 45mm f/1.8 FE is designed for the Sony E mount. It is built for mirrorless camera systems and covers a full-frame image circle.
Does this lens have image stabilization?+
No, the specifications confirm that image stabilization is listed as None. Photographers shooting handheld in low light will need to rely on their camera body's built-in stabilization if available.
What filter size does this lens use?+
The Samyang AF 45mm f/1.8 FE uses a 49mm filter thread. This is a compact and widely available filter size, keeping the cost of accessories like UV filters and polarizers relatively low.
How much does this lens weigh?+
The lens weighs 162g, making it one of the lighter full-frame prime options available for Sony E-mount. This makes it well-suited for travel or street photography where minimizing kit weight is a priority.
Does this lens support autofocus?+
Yes, the lens supports autofocus as well as manual focus. Both focus modes are listed in the specifications, giving shooters the flexibility to switch depending on their shooting style or subject.