TTArtisan 27mm f/2.8 Lens (Sony)
Features
● APS-C Format | f/2.8 to f/16
● 27mm (35mm Equivalent: 40.5mm)
● STM Stepping AF Motor
● Minimum Focusing Distance: 13.8"
● 8-Blade Diaphragm
SONY E-mount Application Model
● A5000, A6000, A6100, A6300, A6400, A6500, A6600, A6700, NEX-3, NEX-3N, NEX-3R, NEX-5T, NEX-5R, NEX-5, NEX-5N, NEX-7, NEX5C, ZVE-10, FX30
● Camera settings: APS-C mode: A7, A7ll(A7M2), A7lll(A7M3), A7lV(A7M4), A7R, A7Rll(A7RM2), A7Rlll(A7RM3), A7RlV(A7RM4), A7RV(A7RM5), A7S, A7SII(A7SM2), A7SIII(A7SM3), A7C, A7CII, A9, A9II, A9III, A1, A1II, ZV-E1, A7CR
Note: This lens does not support AF-C (continuous autofocus) on the ILCE-3000 and ILCE-3500.
Specifications:
● Focal length: 27mm
● Mount: E
● Closest focus distance: 0.35m
● Maximum aperture: F2.8
● Minimum aperture: F16
● Frame: APS-C Frame
● Diaphragm Blades: 8 pcs
● Filter size: 39mm
● Optical Design: 6 Elements in 5 Groups
● Angle of view: 56°
● Focus method: AF
● Weight: Around 88~100g
Overview: 
Clicked Aperture Ring
● The lens is designed with a clicked aperture, so you can have a more convenientand faster shooting experience than switchingthe aperture on the camera.
Turns the aperture ring to "A" first, before you changeaperture setting in camera system.
Note: The lens with its own aperture ring (whether original or sub-brand), some cameras are not supported on the camera body to switch the aperture value, only through the lens aperture ring.
Firmware Update Interface
● The Type-C interface for firmware update of AF 27mm F2.8 is designed on the rear lens cap, which improves the aesthetics of the lens.
Note:
1. Type-C cable with data transfer function is required,
2. Upgraded with Windows system (Windows10 would be better).