VILTROX 25mm F1.7 E, AF 25mm F1.7 E Mount Lens for Sony E, APS-C Prime Lens for Sony a6400 a6500 a6600 ZV-E10 FX30 A6700 ZC-E10II a7Ⅲ a7RⅢ a7Ⅳ a7RⅣ
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AI Verdict
This 170g APS-C 25mm f/1.7 lens with STM autofocus and 0.3m minimum focus is for Sony E-mount users prioritizing portability and low-light capability on a budget.
This lens is a strong fit for APS-C Sony E-mount camera owners who need a lightweight 25mm prime with a bright f/1.7 aperture for general photography and video. Its 170g weight and 0.3m minimum focus distance make it highly portable and capable for everyday shooting.
If you need enhanced durability or weather resistance, look for lenses with a metal construction and specified weather sealing.
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Pros
- The f/1.7 maximum aperture allows for shooting in low-light conditions and produces background blur.
- The STM motor delivers fast, precise, and near-silent autofocus performance, supporting eye and face detection.
- The optical design includes 2 High Refractive, 1 Extra-low Dispersion, and 2 Aspherical elements for image quality.
- Weighing 170g, the lens is lightweight and compact, making it portable for daily use.
- Focus breathing is minimized, ensuring smooth and consistent framing during video recording.
- A USB-C port allows for easy firmware updates.
Cons
- There is no weather sealing on the lens.
- Vignetting is strong at f/1.7, especially in the image corners.
- Close-up image quality is softer at f/1.7 and f/2, only becoming fully sharp at f/2.8.
- The plastic construction, while light, lacks the premium feel of more expensive lenses.
- The maximum magnification ratio of 0.11x is low, limiting its use for close-up photography.
Dimension Scores
The lens delivers sharp details and pleasing bokeh, though it exhibits strong vignetting and some ghosting at f/1.7, improving significantly when stopped down to f/2.8 or f/4.
Equipped with an STM motor, the lens provides fast, precise, and near-silent autofocus performance, including eye and face detection.
The STM motor offers quiet autofocus, and the lens minimizes focus breathing, which is beneficial for smooth video transitions.
Weighing only 170g (6 ounces) and featuring compact dimensions of ø64x56mm, it is exceptionally lightweight and easy to carry.
Best For
- Street photography, capturing a natural perspective similar to the human eye on APS-C cameras.
- Portrait photography, utilizing the f/1.7 aperture for background blur.
- Video recording, due to minimal focus breathing and quiet autofocus.
- Low-light shooting scenarios, leveraging the f/1.7 aperture.
Not Recommended For
- Macro photography, given the 0.11x maximum magnification ratio.
- Shooting in harsh weather conditions, as it lacks weather sealing.
- Users demanding corner-to-corner sharpness at f/1.7.
Watch Out For
- Vignetting is noticeable at f/1.7, requiring stopping down to f/2.8 or f/4 for corners to brighten.
- Sharpness for close-up shots is soft at wider apertures, needing f/2.8 for optimal detail.
- Some users report ghosting on contrasting edges at f/1.7.
- The lens has a plastic build, which some users might find less durable than metal constructions.
Full Specifications
| ASIN | B0DS57HLS3 |
| Brand | VILTROX |
| Lens Type | Wide Angle |
| Item Weight | 6 ounces |
| Manufacturer | Shenzhen Jueying Technology Co., Ltd. |
| Item model number | AF 25mm F1.7 E |
| Product Dimensions | 2.22 x 2.52 x 2.52 inches |
| Compatible Mountings | Sony E |
| Camera Lens Description | AF 25mm f/1.7 Sony E |
| Focal Length Description | 25mm F1.7 Fixed Focal Length |
What Buyers Say
Many users are surprised by the image quality this lens delivers for its price, especially the sharpness when stopped down and the smooth background blur. The autofocus is consistently praised for being quick and quiet, making it a favorite for both photos and video. However, some users note the plastic build and the noticeable vignetting at the widest aperture.
“Dude, for what I paid, this little Viltrox 25mm is punching way above its weight class. The photos are sharp, the bokeh is creamy, and it focuses so fast without making a peep. Just wish it wasn't so dark in the corners wide open, but seriously, can't complain for the money.”
Common Praise
- Sharpness is very good, particularly from f/2.8 to f/11.
- Background blur (bokeh) is smooth and pleasing.
- Autofocus is fast, accurate, and nearly silent.
- Minimal focus breathing makes it suitable for video work.
- The lens is extremely lightweight at 170g.
- The 38mm equivalent focal length on APS-C is versatile for various shooting styles.
Common Complaints
- Vignetting is strong at f/1.7, requiring correction or stopping down.
- The plastic construction, while light, does not feel as premium as metal lenses.
- Close-up sharpness is softer at f/1.7 and f/2.
- No weather sealing means it's not ideal for all outdoor conditions.
- Some ghosting can appear on contrasting edges at f/1.7.
Ownership Tips
- The lens feels balanced on smaller Sony APS-C bodies, making for a portable setup.
- Stopping down to f/2.8 significantly improves corner sharpness and reduces vignetting.
- The USB-C port for firmware updates is convenient for future compatibility.
- The included lens hood is useful for reducing flare and offering some physical protection.
- The manual focus ring, despite being plastic, turns smoothly.
Frequently Asked Questions
Is this lens compatible with full-frame Sony E-mount cameras?
While it can physically mount on full-frame cameras, it is designed for APS-C sensors and will produce a cropped image or heavy vignetting.
Does this lens have image stabilization?
No, the Viltrox 25mm F1.7 E does not have optical image stabilization. Image stabilization would rely on your camera's in-body image stabilization (IBIS).
What is the filter thread size?
The lens has a 52mm filter thread.
How is the autofocus performance for video?
The STM motor provides fast, precise, and near-silent autofocus, and the lens minimizes focus breathing, making it suitable for video recording.
What is the equivalent focal length on an APS-C camera?
On an APS-C camera, the 25mm focal length provides an equivalent field of view of approximately 38mm.
Buying Guide
When buying a prime lens like this, you're getting a fixed focal length, meaning no zoom. This forces you to 'zoom with your feet,' which can actually improve your composition. The f/1.7 aperture is a big deal; it lets in a lot of light, so you can shoot in dimmer conditions without cranking up your camera's ISO, and it creates that blurry background effect (bokeh) that makes your subject pop.
f/1.7 Aperture
This number tells you how wide the lens can open. A lower number like f/1.7 means a wider opening, letting in more light for low-light shots and creating a shallower depth of field, which blurs backgrounds more effectively than a lens with a higher f-number like f/4.
25mm Focal Length (38mm equivalent on APS-C)
This is the fixed 'zoom' of the lens. On an APS-C camera, 25mm gives you a field of view similar to what a 38mm lens would on a full-frame camera. This is considered a 'normal' to slightly wide perspective, versatile for street, portraits, and general photography, close to how the human eye sees.
STM Motor
This refers to the type of motor used for autofocus. STM motors are known for being quiet and smooth, which is especially important for video recording where motor noise can be picked up by microphones.
Alternatives
If this lens doesn't fit, consider looking for a prime lens with a wider maximum aperture (e.g., f/1.4) for even better low-light performance and background blur, or a lens with weather sealing if you plan to shoot in challenging environments.
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