Viltrox Canon EF Prime

40mm f/2.5

40mm
f/2.5
Prime
Min focus 0.34 m

Quick answer

The Viltrox 40mm f/2.5 is a standard prime lens covering 40mm at f/2.5 for the Canon EF mount. Its bright maximum aperture handles indoor and evening light reasonably well.

About this lens

This 40mm f/2.5 standard prime lens from Viltrox fits Canon EF mount cameras. The natural field of view suits street, documentary and everyday photography.

Viltrox 40mm f/2.5 specifications

Brand: Viltrox
Mount: Canon EF
Focal length: 40mm
Maximum aperture: f/2.5
Lens type: Prime
Format coverage: full-frame
Optical construction: 10 elements in 6 groups
Aperture blades: 7
Autofocus motor: STM
Minimum focus distance: 0.34 m
Maximum magnification: 0.14x
Filter thread: 52 mm

Specification source: viltrox.com

What can you shoot with the Viltrox 40mm f/2.5?

At 40mm this is a standard prime, which typically suits:

Everyday and street photography
Natural-perspective portraits
Documentary and travel work

Its bright maximum aperture handles indoor and evening light reasonably well.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor	Crop	Equivalent	Horizontal FOV	Diagonal FOV
Full frame	1.0x	40mm	48.5°	56.8°
APS-C	1.6x	64mm	31.4°	37.4°

Try the field-of-view calculator

Frequently asked questions

What mount does the Viltrox 40mm f/2.5 use?

It uses the Canon EF mount, so it fits Canon EF cameras directly.

What is the focal length of the Viltrox 40mm f/2.5?

It is a fixed 40mm lens with a maximum aperture of f/2.5. That makes it a standard lens.

Is the Viltrox 40mm f/2.5 a prime or a zoom lens?

It is a prime lens with a fixed 40mm focal length. Primes usually open wider than zooms; this one opens to f/2.5.

What is the Viltrox 40mm f/2.5 equivalent on a crop sensor?

On APS-C (1.6x crop) it frames like 64mm on full frame, with a 31.4° horizontal and 37.4° diagonal field of view. These figures are calculated from the focal length and crop factor.