Electronics / Camera Lenses
User Manual for Viltrox AF 20mm F2.8 FE Lens
Quick guide for the Viltrox AF 20mm F2.8 FE lens. Learn how to attach and detach the lens, use the lens hood, and view technical specifications and safety precautions.
Quick answers from the manual
Quick answer
- The Viltrox AF 20mm F2.8 FE is an E-mount lens. To attach, align the white index marks on the lens and camera, then rotate clockwise until it clicks. p. 1
Key actions
- Attach the lens by aligning white index marks and rotating clockwise. p. 1
- Detach the lens by pressing the camera release button and rotating counter-clockwise. p. 1
Problems and fixes
Condensation
Place lens in a sealed bag until it reaches room temperature.
p. 1Show 3 more answers Show less
Maintenance and reset
- Clean electrical contacts with a dry, soft cloth. p. 1
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Focal Length | 20mm | Lens focal length | p. 1 |
| Aperture | F2.8 - F16 | Aperture range | p. 1 |
| Weight | 152g | Lens weight | p. 1 |
| Filter Size | 52mm | Filter thread diameter | p. 1 |
Where to find it in the PDF
- Product features and instructions p. 1
Table of contents
Quick guide from the manual
This guide provides essential information for the Viltrox AF 20mm F2.8 FE lens. Ensure the lens is compatible with your camera's E-mount system before installation. Always handle the lens with care, avoid direct sunlight exposure, and keep the electrical contacts clean to ensure proper communication between the lens and camera body.
Attaching and detaching the lens
To attach the lens:
- Align the white index on the lens with the white index on the camera.
- Insert the lens into the camera mount and rotate it clockwise until it clicks into place.
To detach the lens:
- Press and hold the lens release button on the camera.
- Rotate the lens counter-clockwise until it stops, then remove the lens.
- Be careful not to touch the electrical contacts on the rear of the lens.
Lens hood usage
The lens hood helps reduce stray light and protects the front element. To attach, align the hood's index with the lens index and rotate clockwise until it clicks. To detach, rotate it in the opposite direction.
Safety notes
- Do not look at the sun or bright light sources through the lens, as this may cause vision damage.
- Avoid placing the lens in extremely hot or humid environments.
- If the lens is moved from a cold to a warm environment, condensation may form. Place the lens in a sealed bag until it reaches room temperature.
- Clean the lens surface with a blower or soft lens cloth. Do not use organic solvents.
Technical specifications
- Focal Length: 20mm
- Aperture: F2.8 - F16
- Number of Aperture Blades: 7
- Shooting Distance: 0.19m - infinity
- Focus Mechanism: Internal focus
- Focus Motor: STM + Lead screw
- Filter Size: 52mm
- Max. Magnification: 0.17x
- Dimensions: 64.9 x 59.6mm
- Weight: ~152g
Manufacturer information
Viltrox
Practical help
Common problems
Lens not communicating with camera
Ensure the lens is fully rotated and clicked into the mount. Clean the electrical contacts on the rear of the lens with a dry, soft cloth.
Condensation on lens
When moving from cold to warm environments, place the lens in a sealed plastic bag until it warms up to room temperature to prevent internal condensation.
Before use
- Verify camera is an E-mount system.
- Remove front and rear lens caps.
- Ensure electrical contacts are clean and free of debris.
- Align white index marks before mounting.
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Specs in practice
- Focal Length (20mm)
- Wide-angle lens suitable for landscapes, architecture, and street photography.
- Aperture (F2.8-F16)
- Controls light intake and depth of field; F2.8 allows for better low-light performance and background blur.
- Filter Size (52mm)
- The diameter of the front filter thread required for attaching filters.
Model compatibility
- Designed for E-mount camera systems.
Manual page author
David Miller
Documentation analyst