Key Specifications (Sony A-Mount)
- Aperture Range: T1.5 to T22 (fast for low light and shallow depth of field).
- Optical Design: 9 elements in 6 groups, including one aspherical and one hybrid aspherical element to reduce aberrations.
- Diaphragm: 8 blades for attractive out-of-focus highlights.
- Close Focus: 0.45m (1.5 feet) from the sensor plane.
- Dimensions & Weight: Measures approximately 81.6mm x 74.2mm and weighs 565g (19.9 oz).
- Filter Thread: Large 77mm front diameter.
![[USED] ROKINON 50 f_1.5 AS UMC (α- Mount)-1](https://capa.co.th/wp-content/uploads/2026/03/USED-ROKINON-50-f_1.5-AS-UMC-α-Mount-1.png)



















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