TTArtisan 40mm f2 Full Frame AF Prime Lens for Sony E

The TTArtisan 40mm f2 Full Frame AF Prime Lens (for Sony E Mount) delivers a natural 57° angle of view, combining a fast maximum aperture with a compact, all-metal design. Its optical construction features aspherical, extra-low dispersion, and high-index elements for clarity and minimal aberrations. The STM motor provides quick, quiet autofocus with face detection support, and a USB-C port in the rear cap enables easy firmware updates.

Key Features:

• Full-frame 40mm autofocus prime lens for Sony E mount
• f2 maximum aperture for low-light and shallow depth of field
• STM stepping motor for quick and quiet focusing
• 9-element, 6-group optical design with ASPH, ED, and high-index glass
• 57° angle of view for natural perspective rendering
• Face detection support for precise portrait capture
• Minimum focus distance of 40cm for close shooting
• Clickable aperture ring for controlled exposure adjustments
• Seven aperture blades for smooth bokeh transitions
• USB-C firmware update port integrated into the rear lens cap
• All-metal body for rugged durability in daily use
• Compact size measuring 61 x 44 mm for easy portability
• Super lightweight 176g build for comfortable handling
• 52mm front thread for attaching creative filters

Optical Design and Aperture

The TTArtisan 40mm f2 lens features nine elements in six groups, including one aspherical, one extra-low dispersion, and two high-index elements to maintain sharpness and reduce chromatic aberration. Its seven-blade diaphragm produces smooth, rounded bokeh, while the f2 aperture supports both subject isolation and low-light shooting without excessive ISO increases.

Autofocus and Operation

Driven by an STM stepping motor, autofocus performance is both fast and near-silent. Face detection support ensures accuracy in portrait work, while manual focus is available for fine-tuned adjustments. The clicked aperture ring delivers tactile precision when adjusting exposure, supporting consistent shooting control.

Build and Usability

Constructed from metal, the lens offers a solid and long-lasting build. Its compact 61 x 44 mm dimensions and 176 g weight make it suitable for extended use and easy transportation. A USB-C port in the rear lens cap provides simple firmware updating without compromising the lens’s clean exterior design.

What’s in the Box?

• 1 x TTArtisan AF 40mm f2 Lens (Sony E)
• 1 x Front Lens Cap
• 1 x Rear Lens Cap
• 1 x Lens Hood

FAQs

Does this lens work with all Sony E-mount cameras?

This TTArtisan 40mm f2 lens is suitable for full-frame Sony E-mount cameras. It is also compatible with APS-C models, where it offers an equivalent focal length of approximately 60mm.

How do I update the lens’s firmware?

The included rear lens cap has a built-in USB-C port, allowing you to connect the lens to a computer for firmware updates without altering the lens body.

Is the TTArtisan 40mm f2 lens suitable for close-up work?

With a minimum focusing distance of 15.7" (40 cm), it allows detailed shooting of smaller subjects while still offering the natural look of a 40mm field of view.

Does this lens include image stabilisation?

No, it does not feature optical stabilisation, but it pairs well with Sony cameras that include in-body stabilisation for handheld shooting.