Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Kelda500mm F/6.3 Mirror DX	T MOUNT	Mirror	—	500mm	f/6.3	597g
Kelda6.5mm F/3.5 ASPH Fisheye CS	CANON EF	Fisheye	—	6mm	f/3.5	516g
Kelda8mm F/3.5 Fisheye CS	CANON EF	Fisheye	—	8mm	f/3.5	516g