Samyang Reflex 300mm F6.3 ED UMC CS
For Wildlife, sports, astrophotography.
Mirror telephoto lens f/6.3 mft-mount
Lens Review: Samyang Reflex 300mm F6.3 ED UMC CS
The Samyang Reflex 300mm F6.3 ED UMC CS is a compact and lightweight mirror telephoto lens designed for APS-C mirrorless cameras. Utilizing a catadioptric (mirror) design, it achieves a 450 mm equivalent focal length in a portable form factor. The fixed f/6.3 aperture and manual focus operation make it suitable for daylight shooting conditions. The optical design includes an extra-low dispersion element and Ultra Multi-Coating (UMC) to minimize chromatic aberrations and enhance image clarity and contrast. Its compact size and lightweight build make it an excellent choice for photographers seeking a portable telephoto solution.
Specifications
Lens type
Mirror telephoto lens
Max Format size
APS-C
Focal length
300 mm (450 mm equivalent on APS-C)
Image stabilization
No
Lens mount
Sony E, Canon EF-M, Fujifilm X, Micro Four Thirds
Maximum aperture
f/6.3
Minimum aperture
f/6.3 (fixed)
Aperture ring
No
Number of diaphragm blades
N/A
Optical construction
9 elements in 9 groups
Minimum focusing distance
0.9 m (2.95 ft)
Maximum magnification
0.45x
Filter size
Rear: 25.5 mm
Dimensions
65 mm (diameter) x 74 mm (length)
Weight
260 g (0.57 lbs)
Weather sealing
No
Usage
telephoto, compact
Video Reviews
Sample Images
