Kaili Kelda 500mm f/6.3 Mirror T-mount lens

Weight: 335 g
Brand: Kaili
Description: Bayonet mount: T-mount, lens type: telephoto, focal length: fixed, for non-full-frame cameras only, prime lens focal length: 500 mm, aperture F at min. focal length: 6.30, aperture F
Type: Lens
Length: 86.3 mm
Focal length: Permanent
Lens type: Telephoto lens
Minimum focus distance: 2 m
For non-full frame cameras only: Yes
Focal length of prime lens: 500 mm
Bayonet: T-mount
Filter thread diameter: 30.5mm
Aperture F at max. focal length: 6.3
Aperture F at min. focal length: 6.3
Number of element groups: 6
Number of elements: 6