Wide-angle prime is designed for Micro-Four Thirds-mount mirrorless cameras and offers a 24mm equivalent length Bright f/2.8 maximum aperture suits working in a variety of lighting conditions and contributes to the sleek form factor Manual focus design permits working with subjects as close as 5.9inch away De-clicked aperture ring offers silent, smooth adjustment that is well-suited to video applications 5-blade diaphragm contributes to a smooth and pleasing bokeh quality model:12mm F2.8 aperture:F2.8-F16 filter size:67mm field of view:100 aperture ring:Stepless aperture Optical structure:10 groups of 12 pieces length:12mm aperture blades:5 pieces focus range:0.15M-00 Applies to:for (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: Metal Package Contents: 1 x Camera Lens Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.