VILTROX 28mm f4.5 Pancake Lens Fuji x, AF 28mm f4.5 X Mount Lens for Fujifilm, Fixed Aperture F4.5 Fuji x Mount for Fujifilm X-T5 X-H2 X-T50 X-M5 X-T30 II X-Pro3 X-S20 X-E4
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AI Verdict
This 60g, 15.25mm thick VILTROX 28mm f4.5 lens is for Fujifilm X-mount users prioritizing extreme portability over aperture control or manual focus.
This lens is a situational fit because its 60g weight and 15.25mm thickness make it incredibly portable, ideal for discreet street photography or travel where a compact setup is paramount. However, the fixed f/4.5 aperture and lack of manual focus limit its utility for low-light scenarios or creative control over depth of field.
If you need more control over depth of field or better low-light performance, look for a prime lens with an adjustable aperture of f/2.8 or wider.
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Pros
- Weighs only 60g and measures 15.25mm thick, making it ultra-compact for Fujifilm APS-C mirrorless cameras.
- Features an integrated sliding lens cap, eliminating the need for a detachable cap and protecting the front element.
- Equipped with a Voice Coil Motor (VCM) for quiet and accurate autofocus performance.
- Includes a USB-C port for firmware upgradability, ensuring continued compatibility with future Fujifilm X-mount cameras.
- Constructed with a metal mount and body, providing a premium feel despite its low weight.
- Optical design includes 2 Aspherical and 2 ED Lenses to minimize aberrations and maintain clarity.
Cons
- The aperture is fixed at f/4.5 and cannot be adjusted, limiting creative control over depth of field and low-light performance.
- Lacks a manual focus ring, meaning focus is entirely controlled by the camera's autofocus system.
- Does not feature weather sealing, though the front element has a multilayer coating for moisture resistance.
- Users report corners can be soft, and some purple fringing and vignetting are visible, especially on high-resolution sensors.
- There is no filter thread, preventing the use of screw-on filters.
Dimension Scores
The lens is reported to be sharp in the center and mid-frame, utilizing 2 Aspherical and 2 ED elements, but exhibits soft corners, purple fringing, and vignetting.
The VCM focusing motor provides fast, accurate, and quiet autofocus, making it reliable for capturing spontaneous moments.
While autofocus is quiet, the fixed f/4.5 aperture and lack of manual aperture control limit its flexibility for creative video work, especially in varying light conditions.
Weighing only 60g and measuring 15.25mm thick, it is described as the most compact autofocus lens tested, making a camera truly pocketable.
Best For
- Street photography where discretion and light weight are key.
- Travel photography for a minimalist setup.
- Everyday carry lens for Fujifilm X-mount cameras, making the camera pocketable.
- Photographers who primarily shoot in well-lit conditions and don't require shallow depth of field.
Not Recommended For
- Low-light photography or situations requiring a fast aperture for subject isolation.
- Videographers needing precise manual aperture control or a wider aperture for cinematic effects.
- Landscape photographers demanding corner-to-corner sharpness and minimal vignetting.
Watch Out For
- Autofocus may not activate if the integrated lens cap is not fully opened before powering on the camera.
- Image corners can exhibit softness and purple fringing, particularly noticeable on 40MP Fujifilm sensors.
- Vignetting, or darkening of the image corners, is present in photos.
- The lens lacks any weather sealing, making it less suitable for harsh environmental conditions.
Full Specifications
| ASIN | B0DSVL8Q9V |
| Brand | VILTROX |
| Lens Type | Wide Angle |
| Item Weight | 2.12 ounces |
| Manufacturer | Shenzhen Jueying Technology Co., Ltd. |
| Item model number | AF 28/4.5 XF |
| Product Dimensions | 0.6 x 2.37 x 2.37 inches |
| Compatible Mountings | Fujifilm X |
| Camera Lens Description | 28mm f4.5 Fuji XF |
| Focal Length Description | 28mm f4.5 Fuji XF |
What Buyers Say
Users are consistently surprised by how incredibly small and light this lens is, often noting it makes their Fujifilm camera genuinely pocketable. The integrated sliding lens cap is a standout feature, praised for its convenience and protection. While the fixed f/4.5 aperture is a clear limitation, many find the center sharpness and autofocus performance to be more than adequate for its intended use, primarily street photography. However, expect some compromises in corner sharpness and visible vignetting.
“Okay, so it's f/4.5 all the time and no manual focus, which is kinda annoying, but holy cow, this thing is so tiny and light it just lives on my X-E4 now, perfect for just walking around and snapping stuff, totally worth it for the size alone.”
Common Praise
- Ultra-lightweight at 60g and only 15.25mm thick.
- Integrated sliding lens cap is convenient and protective.
- Autofocus is quiet and accurate.
- Metal mount and body construction feels premium.
- Sharpness in the center of the frame is reported as good.
- USB-C port for easy firmware updates.
Common Complaints
- Fixed f/4.5 aperture restricts use in low light and depth of field control.
- No manual focus ring is present.
- Corners of images can appear soft.
- Visible vignetting and some purple fringing are present.
- Lacks weather sealing.
- No filter thread for attaching filters.
Ownership Tips
- The integrated sliding cap is a game-changer; you never have to worry about losing a lens cap again.
- You'll quickly adapt to the fixed f/4.5, especially if you're shooting outdoors in daylight.
- The lack of a manual focus ring means you're fully trusting the camera's autofocus, which is generally fine but can be limiting for specific creative shots.
- Firmware updates via USB-C are straightforward and keep the lens current with new camera bodies.
- The small size means it often goes unnoticed, which is great for candid photography.
Frequently Asked Questions
Does this lens have autofocus?
Yes, the VILTROX 28mm f4.5 lens features an efficient and precise autofocus system driven by a Voice Coil Motor (VCM).
Can I change the aperture on this lens?
No, this lens has a fixed aperture of f/4.5, which cannot be adjusted. This design choice contributes to its compact size.
Is there a manual focus ring?
No, the lens does not have a manual focus ring. It is designed for autofocus-only operation.
How small and light is this lens?
It is extremely compact, measuring 60.3mm in diameter and 15.25mm thick, and weighs approximately 60g (2.12 ounces).
Does it come with a lens cap?
It features an innovative integrated sliding lens cap, so you don't need a separate, detachable cap.
Buying Guide
When looking at a lens like this, you're trading off some traditional features for extreme compactness. The fixed f/4.5 aperture means you won't be getting super blurry backgrounds or shooting in really dim light without bumping up your ISO. You're also relying entirely on your camera's autofocus, as there's no ring to manually adjust focus. Think of it as a point-and-shoot experience for your mirrorless camera, but with much better image quality.
Fixed Aperture F4.5
This means the lens always shoots at f/4.5, like a pair of sunglasses that always have the same tint. It simplifies operation but limits how much light enters the lens and how blurry you can make the background.
Weight: 60g, Thickness: 15.25mm
These numbers are tiny, making the lens incredibly light and thin. Imagine carrying a few credit cards in your pocket; that's how little this lens adds to your camera's bulk, making your setup much easier to carry all day.
2 Aspherical 2 ED Lenses
These are special glass elements inside the lens that help correct distortions and color fringing. It's like having tiny, perfectly shaped corrective lenses inside to make your photos clearer and more accurate, especially at the edges.
Alternatives
If you need an adjustable aperture for more creative control or better low-light performance, look for a prime lens with a variable aperture and a wider maximum aperture (e.g., f/2.8 or f/2).
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