Laowa 25mm f/2.8 2.5-5X Ultra Macro

 
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Lens Specifications
Name Laowa 25mm f/2.8 2.5-5x Ultra Macro
Image Circle 35mm
Type Wide Prime Macro
Focal Length 25mm
APS Equivalent 1.5x: 37.5mm; 1.6x: 40mm
Max Aperture f/2.8
Min Aperture f/16
Diaphragm Blades 8
Lens Construction 8 elements in 6 groups, including one low dispersion element
Diagonal Angle of View (Based on image circle) 10.3 degrees
Focus Details Manual focus only
Front Element Rotation ?
Zoom System n/a
Closest Focus 17.3cm / 6.8 in. (5X); 23.4cm / 9.2 in. (2.5X)
Magnification Ratio 2.5:1 to 5:1
Filter Size N/A
Dimensions(Length x Diameter) 82mm x 65mm / 3.23 in. x 2.56 in.
Weight 400g / 14 oz
Notes Available mounts: Canon EF, Nikon F, Pentax K, Sony E; Optional rotating tripod collar.
Typical Online Price US$400 (Avail. April 2018)