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Ultra-Compact Autofocus Pancake Prime 40.5mm Equivalent, STM Stepping Motor & Firmware Upgrade Cap
The TTArtisan AF 27mm f/2.8 is an exceptionally sleek, ultra-portable pancake-style autofocus prime lens custom-engineered for FUJIFILM X-mount mirrorless cameras utilizing APS-C format sensors. Delivering a highly versatile 35mm full-frame equivalent focal length of 40.5mm, this lens provides a natural “normal” perspective that sits perfectly between a wide-angle and a standard 50mm prime. Its razor-slim, featherweight chassis makes it the ultimate low-profile choice for daily walkaround shooting, street photography, candid portraits, landscapes, and travel documentation.
Despite its microscopic footprint, the lens is fully equipped with an agile STM stepping autofocus motor, providing the quick, quiet, and precise focusing responsiveness required for both high-speed still capture and fluid video tracking. Fully compatible with FUJIFILM’s native eye-tracking autofocus modes, this lens ensures tack-sharp subject acquisition. Complete with a bright f/2.8 maximum aperture, a close 13.8-inch minimum focusing distance, and an innovative USB-C integrated rear cap for seamless firmware customization, this pocketable prime adds immense creative freedom to any X-series camera setup.
Key Features & Optical Performance
Versatile 40.5mm Equivalent Perspective: Optimized for APS-C crop-sensor FUJIFILM X-mount camera bodies to provide a highly practical 40.5mm equivalent field of view, bridging the gap between sweeping environmental storytelling and tight subject isolation.
Ultra-Slim Pancake Design: Features an incredibly thin, low-profile physical architecture that keeps your camera rig light, pocketable, and entirely unobtrusive for documentary or street photography.
Agile STM Stepping Autofocus Motor: Outfitted with a rapid, near-silent STM motor that benefits hybrid content creators by delivering swift focus locks for stills and smooth, noise-free transitions for video.
Native Eye-Tracking Compatibility: Synchronizes fluidly with FUJIFILM’s internal camera algorithms to support high-speed Eye-Detection and Subject-Tracking AF modes, guaranteeing sharp tracking accuracy during single-person filming.
13.8-Inch Close Focusing Capability: Maintains a close minimum focusing clearance of 13.8 inches (35 cm), allowing you to move in on closer targets for intimate, moderate close-up shots.
Bright f/2.8 Aperture & 8-Blade Iris: Combines a maximum aperture of f/2.8 with an eight-blade diaphragm to supply excellent low-light exposure flexibility and render smooth, distinct out-of-focus background blur (bokeh).
Innovative USB-C Rear Upgrade Cap: Bundled with a specialized rear lens cap featuring an integrated USB-C port, allowing users to connect the lens directly to a computer to execute instant firmware updates and performance optimizations.
Technical Specifications
Lens Classification: Ultra-Compact Pancake Autofocus Prime
Lens Mount Type: FUJIFILM X-Mount Native
Focal Length: 27mm (35mm Full-Frame Equivalent: 40.5mm)
Maximum Aperture: f/2.8
Minimum Aperture: f/16
Autofocus Drive System: STM Stepping Motor Drive Matrix
Diaphragm Design: 8-Blade Round Iris Matrix
Minimum Focus Distance: 13.8 inches / 35 cm
Filter Thread Interface: 39 mm
Firmware Update Interface: Integrated USB-C Port (Built into Included Rear Lens Cap)
Dimensions (Diameter x Length): Approx. 2.40 x 1.14 inches / 61.0 x 29.0 mm
Weight: Approx. 3.3 oz / 93 g
