VILTROX 9mm F2.8 E-Mount APS-C Lens for Sony, Auto Focus Ultra-Wide Prime Lens for Sony E-Mount Cameras FX30 ZV-E10 ZV-E10II A6700 A6600 A6500 A6400 A6300 A6100
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AI Verdict
This 6-ounce, 9mm F2.8 ultra-wide prime lens with 0.13m minimum focus is for Sony APS-C shooters who need a compact, affordable lens for expansive scenes and close-up vlogging.
This lens is a strong fit for Sony APS-C users seeking an ultra-wide perspective without a high cost. Its 113.8° field of view and 0.13m minimum focus distance make it uniquely suited for creative wide-angle shots and vlogging, while its 6-ounce weight ensures portability.
If you need a faster aperture for low-light or astrophotography, consider lenses with an F1.8 or wider aperture.
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Pros
- F2.8 aperture captures more light in dim environments, allowing for slower shutter speeds and less noise.
- 113.8° ultra-wide field of view (13.5mm full-frame equivalent) is ideal for landscapes and tight interiors.
- 0.13m minimum focusing distance allows for dramatic foreground-background separation.
- Eye/Face AutoFocus keeps subjects sharp and clear with precision.
- Optical design with 2 aspherical, 3 extra-low dispersion, and 3 high-refractive index elements controls distortion and maintains sharpness.
- Weighs 6 ounces (174-175g), making it very portable for all-day use.
Cons
- Plastic construction lacks the premium feel of metal lenses.
- No weather sealing, limiting use in challenging environmental conditions.
- Exhibits some focus breathing when racking focus from near to far subjects.
- Corners are slightly softer at F2.8, requiring stopping down to F4 or F5.6 for edge-to-edge sharpness.
- Lacks an aperture ring, requiring aperture adjustments via the camera body.
Dimension Scores
The lens delivers razor sharpness in the center at F2.8, with minimal chromatic aberration and surprisingly low vignetting for an ultra-wide lens.
Autofocus is fast, precise, and silent, with Eye/Face AF performing reliably, even if some focus breathing occurs.
The ultra-wide 113.8° field of view and reliable Eye/Face AF make it suitable for vlogging and dynamic video, despite some focus breathing.
Weighing only 6 ounces (174-175g) and being compact, it's exceptionally light for an ultra-wide prime lens.
Best For
- Capturing expansive landscapes and cityscapes.
- Shooting in tight interior spaces or architectural photography.
- Vlogging and group selfies due to the wide field of view.
- Creative close-up shots with dramatic foregrounds.
Not Recommended For
- Astrophotography, where a faster aperture than F2.8 is generally preferred.
- Portrait photography, as the ultra-wide perspective can introduce distortion to faces.
- Situations requiring extensive weather protection.
Watch Out For
- The lens body is made of plastic, which some users describe as feeling 'quite cheap'.
- There is no weather sealing gasket, meaning it's not protected against dust or moisture.
- Focus breathing is present, especially when transitioning focus from very close to distant subjects.
- Corner sharpness at F2.8 is not as crisp as the center, requiring stopping down to F4 or F5.6 for optimal edge performance.
- Vignetting is visible at F2.8, though it improves significantly when stopped down to F5.6 or F8.
Full Specifications
| ASIN | B0FNWBQQ9Y |
| Brand | VILTROX |
| Lens Type | Wide Angle |
| Item Weight | 6 ounces |
| Manufacturer | Viltrox |
| Item model number | 9mm F2.8 |
| Product Dimensions | 2.22 x 2.56 x 2.56 inches |
| Compatible Mountings | Sony E |
| Focal Length Description | 9mm APS-C Prime Lens |
What Buyers Say
Users are consistently surprised by the optical performance of this Viltrox 9mm F2.8 lens, especially considering its price point. Many highlight its sharpness, even wide open in the center, and the effective autofocus system. The ultra-wide perspective is a major draw, enabling unique shots for landscapes, interiors, and vlogging. While the plastic build is noted, it doesn't seem to detract significantly from the overall positive experience for most.
“Dude, this Viltrox 9mm is insane for the money, I can practically touch my subject and it's still in focus, and the landscapes look so epic, just wish it felt a bit more premium in my hand.”
Common Praise
- Center sharpness is very high, even at F2.8.
- Autofocus is fast, accurate, and reliable for both stills and video.
- The 113.8° ultra-wide angle provides unique perspectives for various scenes.
- Minimal chromatic aberration, even when stressing the image.
- Surprisingly low vignetting for an ultra-wide lens, especially after stopping down slightly.
- The 0.13m minimum focus distance allows for creative close-up shots.
Common Complaints
- Build quality feels like plastic, not as premium as some other lenses.
- Lacks weather sealing, making it less suitable for harsh conditions.
- Corners are softer at F2.8 and require stopping down to F4 or F5.6 for optimal sharpness.
- Focus breathing is noticeable when racking focus.
- No aperture ring on the lens barrel.
Ownership Tips
- The lens balances well on smaller APS-C camera bodies due to its light weight.
- Using a 58mm filter is convenient, which isn't always possible with ultra-wide lenses.
- The petal-shaped lens hood is small and effective, but also plastic.
- Firmware updates via USB-C port are straightforward.
- It's a lens you might not use daily, but it's worth having for specific creative shots.
Frequently Asked Questions
Is this lens suitable for full-frame Sony cameras?
This lens is designed for APS-C sensors, but you can use it on a full-frame camera in APS-C crop mode, which will result in a cropped image.
Does this lens have image stabilization?
No, this lens does not feature optical image stabilization. You will rely on your camera's in-body image stabilization (IBIS) if it has one.
What is the filter thread size?
The Viltrox 9mm F2.8 lens has a 58mm filter thread.
How does the autofocus perform for video?
The autofocus is described as fast, reliable, and smooth for video, even when getting close to subjects, though some focus breathing is present.
Is this a fisheye lens?
No, this is a rectilinear ultra-wide-angle lens, meaning it corrects for distortion to keep straight lines straight, unlike a fisheye lens.
Can I update the firmware on this lens?
Yes, the lens features a USB-C port for firmware updates.
Buying Guide
When looking at ultra-wide lenses like this 9mm, you need to understand that the world looks different through them. Everything appears further away, and you can fit a lot more into your frame. This is fantastic for sweeping landscapes or making small rooms feel huge, but it can also make subjects look tiny if you're not close enough. The F2.8 aperture is bright enough for many situations, but for really dark scenes or astrophotography, you might want something even faster.
Focal Length (9mm)
This is how wide the lens sees. At 9mm on an APS-C camera, it's like a 13.5mm lens on a full-frame camera, giving you an extremely broad view, perfect for capturing entire scenes without stepping back.
F2.8 Large Aperture
This number indicates how much light the lens can gather. F2.8 is considered a 'fast' aperture for a wide-angle lens, letting in a lot of light for shooting in dim conditions and allowing for some background blur when focusing close.
0.13m Minimum Focusing Distance
This is how close you can get to your subject and still achieve focus. A 0.13m distance means you can nearly touch your subject with the lens hood and still get a sharp image, creating dramatic perspectives with a blurred background.
APS-C Lens
This means the lens is designed specifically for cameras with APS-C sized sensors. While it can technically mount on full-frame cameras, it will only use a smaller, central portion of the sensor, resulting in a cropped image.
Alternatives
If this lens isn't wide enough or you need a zoom, look for lenses with focal lengths below 10mm or ultra-wide zooms like 10-18mm. If you need a faster aperture for extreme low light, search for lenses with F1.8 or wider apertures.
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