Soap Bubble Bokeh: Unlike modern lenses with creamy smooth bokeh, TTArtisan 100mm f2.8 produces the soap bubble bokeh effect. Soap bubblebokeh is characterized by a bokeh ball with a bright edge around their perimeters and will give stunning results. Get Creative Images: TTArtisan 100mm f2.8 offers balanced sharpness with attractive bubble bokeh effect. It can be used to create special and beautiful nature and portrait photography. Compatible Mounts: TTArtisan 100mm F2.8 is designed for the M42 mount, but you can use it on any mount you like with an adapter ring. Clicked Aperture: With clicked aperture, you can switch it without looking at the lens, especially shooting at night. Full Frame with a Large Image Circle: TTArtisan 100mm F2.8 is a full-frame lens, and the actual imaging cicle can almost cover the medium format. When this lens is used on APS-C or Full-frame, it is equivalent to retaining the better quality part of the large image circle. When this lens is used on medium format cameras, the faint vignetting makes the work more artistic. Specifications
Optical Design: 4 elements in 4 groups
Focal length: f=100mm
Filter Size: 49mm
Framen: Full Frame
Angle of view: 24°
Max. aperture: F2.8
Min. aperture: F22
Closest focusing distance: 0.9m
Number of of Diaphragm blades: 13
Lens Mount: M42
Weight: Approx. 307g