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7Artisans AF 40mm f/2.5 Lens (Sony E)

BH #7AAF40F25BE • MFR #AF40F25B-E
1 review
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7Artisans AF 40mm f/2.5 Lens (Sony E)
Key Features
  • Full-Frame | f/2.5 to f/16 Aperture
  • Autofocus Design
  • Custom Function Button
  • AF/MF Mode Switch
Designed for Sony E-mount mirrorless cameras, the 7Artisans AF 40mm f/2.5 Lens is suitable for a broad variety of situations, from street to landscape to travel photography. With its unique 40mm focal length, this compact, full-frame prime lens has a reasonably bright aperture of f/2.5 that produces a pleasant, shallow depth of field.
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7Artisans AF 40mm f/2.5 Overview

Designed for Sony E-mount mirrorless cameras, the 7Artisans AF 40mm f/2.5 Lens is suitable for a broad variety of situations, from street to landscape to travel photography. With its unique 40mm focal length, this compact, full-frame prime lens has a reasonably bright aperture of f/2.5 that produces a pleasant, shallow depth of field.

Additional Details
  • The 9-blade diaphragm contributes to a pleasing bokeh quality.
  • The 15.7" minimum focusing distance enables working close to subjects.
  • One aspherical element and three high refraction elements improve image clarity and reduce optical aberrations.
  • The focus and aperture rings, the AF/MF toggle switch, and the customizable button provide tactile control and rapid access to select settings.
  • The integrated USB port enables firmware updates.

7Artisans AF 40mm f/2.5 Specs

Focal Length
40mm
Aperture
Maximum: f/2.5
Minimum: f/16
Lens Mount
Sony E
Lens Format Coverage
Full-Frame
Angle of View
56.1°
Minimum Focus Distance
15.7" / 0.4 m
Optical Design
7 Elements in 6 Groups
Aperture/Iris Blades
9
Focus Type
Autofocus
Image Stabilization
No
Filter Size
46 mm (Front)
Dimensions
ø: 2.5 x L: 2" / ø: 63 x L: 50 mm
Weight
3.4 oz / 97 g
Packaging Info
Package Weight
0.51 lb
Box Dimensions (LxWxH)
4.2 x 4.1 x 3.7"

7Artisans AF 40mm f/2.5 Reviews

Excellent Considering the Price

By Peter
Rated 4 out of 5
Date: 2026-03-21

This tiny lightweight lens is perfect if you need something with those ergonomics. Considering the price, size and weight, the performance is excellent. I tested the lens on a 61 megapixel Sony A7CR. No, it will not compete with a lens costing five times the price. However, it is very sharp across the field at ƒ5.6, and ƒ8 and usable at ƒ4 and ƒ11. It is quite soft at ƒ2.5 and diffraction softens the image at ƒ16. Contrast and color are good, the autofocus is accurate, reasonably fast and relatively quiet. The aperture ring works well but the click stops are fairly soft. If the focal length works for you and you need the smallest, lightest lens, this is a true bargain.

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