Key Specifications (Sony A-Mount)
- Aperture: Constant f/2.8 throughout the zoom range, with a minimum aperture of f/32.
- Magnification: 1:4.5 maximum magnification ratio with a minimum focus distance of 0.27m (10.6″).
- Optical Design: 16 elements in 13 groups, including XR (Extra Refractive Index) glass and LD (Low Dispersion) elements to reduce aberrations.
- Diaphragm: 7 rounded blades for smooth out-of-focus highlights.
- Physical Specs: Weighs approximately 430g (15.2 oz) with a length of 82mm and a 67mm filter thread.
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