Viltrox AF 20mm F 2 8 Análisis | 54 Datos comparados

The Viltrox AF 20mm F2.8 STM is a budget-friendly ultra-wide-angle prime lens designed for Sony FE, Nikon Z, and Fuji X mounts that delivers a fantastic price-to-performance ratio. Priced at just $158 USD, this incredibly lightweight (157g) and compact lens is an ideal travel companion, pairing excellently with slim camera bodies like the Sony a7C2. Its standout features include a smooth manual focus ring, a metal lens mount featuring a built-in USB-C port for firmware updates, and an improved minimum focus distance of 19cm with a 0.17x maximum magnification. Performance-wise, the stepping focus motor (STM) provides fast, quiet, and highly accurate autofocus for both stills and video tracking, with minimal focus breathing during vlogging sequences. Optically, the center and mid-frame sharpness are excellent wide open, distortion is remarkably low for a budget wide-angle lens, and chromatic aberrations are kept to a minimum. YouTube · Despite its high value, the lens comes with several notable compromises. The most critical optical flaw is a strong field curvature; when focusing in the center, the extreme corners become terribly soft and "mushy" at wide...

The Viltrox AF 20mm f/2.8 FE is an incredibly affordable, ultra-compact prime lens priced at $160 USD, weighing just 157g and featuring a plastic body on a metal mount with a smooth focus ring and a silent STM autofocus drive. In terms of performance, its primary strengths include excellent center sharpness starting at f/2.8, highly controlled lateral chromatic aberrations, and decent bokeh quality for its class. Additionally, it beats the competing Tamron 20mm f/2.8 lens overall, features an internal focusing system, and includes a USB port on the mount for quick firmware updates. However, the lens suffers from several distinct drawbacks, most notably a strong field curvature that makes the outer image field very soft at wide apertures, meaning users must stop down to f/5.6 for sharp borders. It also exhibits very high native vignetting peaking at ~3.5EV at f/2.8, a wavy 1.85% barrel distortion characteristic that can distort straight lines in architectural scenes, and non-rounded aperture blades that prevent circular highlight rendering even at f/2.8. Lastly, there is no weather-sealing, no native lens profile data provided for distortion correction,...

The Viltrox AF 20mm F2.8 FE is a remarkably compact and lightweight wide-angle prime lens designed for Sony E-mount full-frame mirrorless cameras, measuring under 6cm in length and weighing just 157g. Priced at an astonishingly low $158 (around £125), it offers an exceptionally budget-friendly alternative to pricier lenses from Tamron and Samyang, making it a highly attractive option for travel photographers, landscape enthusiasts, and vloggers. Built primarily with a plain plastic cylinder and a metal mount plate, it lacks weather-sealing but features an innovative USB-C port directly on the mount for effortless firmware updates. The lens's performance reveals distinct pros and cons that make it a conditional bargain. On the positive side, it is impressively sharp in the centre even at f/2.8, and when stopped down to f/8 or f/11, it renders excellent, fine detail across the entire frame, backed by automatically corrected chromatic aberrations. However, significant cons include poor corner sharpness at wider apertures due to field curvature, comatic distortion on point light sources at night, a complex wavy distortion pattern, and a tendency to flare when shooting into...

The Viltrox 20mm f/2.8 lens is a compact, highly affordable wide-angle prime lens priced at $158, available for both Sony E and Nikon Z mounts. Weighing only 152 grams and measuring 80mm with its lens hood, it offers a remarkably small form factor featuring a 52mm filter thread, an aperture range of f/2.8 to f/16, and a minimum focus distance of 19cm. Built from high-quality plastic, the lens feels solid and incorporates a well-dampened focus ring alongside a fast, silent internal STM autofocus motor. It provides excellent performance for landscape and architectural photography, delivering crisp images with vibrant colours, great contrast, and reliable autofocus tracking. The lens features distinct advantages and drawbacks tailored to its budget-friendly market. Its main pros include an exceptionally lightweight and travel-friendly design, rapid and accurate autofocus performance, a wide f/2.8 aperture suitable for low-light scenarios, and sharp overall image quality at an accessible price point. On the downside, the cons include a lack of weather sealing, which may worry outdoor shooters, and noticeable softness in the corners of the frame. However, the reviewer notes that...

The Viltrox AF 20mm F2.8 Z is a compact, ultra-lightweight full-frame wide-angle lens for Nikon Z-mount cameras that offers a fantastic price-to-performance ratio at just $175 USD. Weighing only 173g and measuring 60.8mm in length, it is constructed from engineered plastics and features a 52mm filter thread, a smooth manual focus ring, and an integrated USB-C port for easy firmware updates. Driven by a stepping focus motor (STM), the lens provides quick, quiet, and generally accurate autofocus performance in real-world shooting, making it a highly portable and capable option for hiking, travel, vlogging, and gimbal work. Optically, the lens delivers excellent sharpness and high acuity in the center and midframe area even when shot wide open at F2.8, with chromatic aberrations being well-controlled. Peak performance across the entire frame is achieved by stopping down to F8. However, the lens suffers from notable flaws, including complex distortion that is difficult to correct manually, and a very strong vignette that exceeds four stops in the corners on Nikon bodies. Due to a noticeable field curvature, the extreme corners always lag behind the...

The Viltrox AF 20mm F2.8 Z is a super-compact and lightweight prime lens designed for Nikon Z-mount cameras, mimicking the form factor of the Nikon Z 40mm F2. Its standout features include a robust metal lens mount, a highly portable build, and a remarkably low price tag that provides excellent overall value, especially for landscape photographers. Autofocus performance is quiet and relatively fast, outperforming older systems like the Fuji XF 14mm F2.8 R, though it can struggle or become slightly sluggish in challenging low-contrast or backlit conditions. However, the lens suffers from notable optical and mechanical drawbacks. The plastic lens shade is highly flawed, failing to lock securely into position and risking vignette-inducing misalignment. Optically, the lens exhibits massive vignetting and poor corner sharpness when shot wide open or at f/4, though these elements do improve when stopped down to f/5.6 or f/8. The reviewer's primary complaint is the heavy optical distortion, which is not adequately corrected by the available Lightroom profile, meaning those seeking flawless geometric performance may need to look elsewhere.

The WideScenes review of the Viltrox AF 20mm f/2.8 lens highlights it as an exceptionally affordable, lightweight, and compact wide-angle option with excellent, well-controlled contrast and sharp center frame performance. Notable features include a built-in USB-C port for firmware updates, with peak performance achieved around f/5.6. Conversely, the lens exhibits slow autofocus in AF-S mode, noticeable corner softness at f/2.8, and is not recommended for astrophotography due to coma. While suitable for travel, users must stop down for optimal edge sharpness and accept slightly harsh bokeh rendering.