---

title: TTArtisan AF 40mm f/2
description: "Compact autofocus prime with versatile 40mm focal length and STM motor for silent operation. Ultra-light 170g metal body with clicked aperture ring at budget $168."
brand: TTArtisan
mount: L-Mount
focal_length: 40
aperture: 2.0
angle_of_view: 57
lens_type: Prime
weight: 170
year: 2025
weather_sealed: false
image_stabilization: false
price: 168
focus: Auto
lens_category: ["Normal"]
filter_size: 52
max_magn: 0.13
close_focus: 0.40
sku: None
diameter: 61
length: 44

date: 2025-08-08
draft: false
author: Jan Wedekind

featured_image: /lenses/ttartisan/ttartisan-40mm-f2.png

last_updates:
    - date: 2025-08-25
      note: added YT review by Dustin Abbot
    - date: 2025-09-27
      note: Lens is now available for L-Mount
    - date: 2026-07-13
      note: added YT review

---


From TTArtisan: 

> * Autofocus Full Frame Prime Lens
> * F2.0 Large Aperture
> * Metal Lens Body
> * Clicked Aperture Ring
> * STM for Quiet and Fast AF
> * 0.4m Minimum Focusing Distance

[Official Website](https://ttartisan.store/products/af-40mm-f2)

Reviews:

* PetaPixel: [TTArtisan Debuts $168 AF 40mm f/2 Full-Frame Prime Lens](https://petapixel.com/2025/08/08/ttartisan-debuts-168-af-40mm-f-2-full-frame-prime-lens/), Kate Garibaldi, Aug 2025

YouTube:

* Robert May: [This new TTArtisan AF 40mm f/2 is a bargain!](https://www.youtube.com/watch?v=qs6N60RNZaE), Aug 2025
* Richard Wong: [TTArtisan AF 40mm f/2 (Sony/Nikon/L-mount Full Frame)](https://www.youtube.com/watch?v=gsV1xfjG9H8), Aug 2025
* Dustin Abbot: [TTArtisan AF 40mm F2 Review | a Tiny $168 Full Frame Gem?](https://www.youtube.com/watch?v=YCwX_arjaE8), Aug 2025
* DirksFocus: [TTArtisan 40mm f2 - Lens review I L, E & Z Mount](https://www.youtube.com/watch?v=S4lvHbkEYOU), Jun 2026