Carl Zeiss Jena 20mm f2.8 Praktica PB 接環改 Nikon F 接環
	Carl Zeiss Jena 35mm f2.4 PB 接環改 M42 接環
	Carl Zeiss Jena MC 35mm f2.4 Praktica PB 接環改 Nikon F 接環
	Carl Zeiss Jena MC 50mm f1.4 Praktica PB 接環改 M42 接環
	Carl Zeiss Jena 135mm f2.8 PB 接環改 M42 接環
	Carl Zeiss Jena MC 135mm f2.8 Praktica PB 接環改 M42 接環
	Carl Zeiss Jena MC 300mm f4 Praktica PB 接環改 Canon EF 接環
	Carl Zeiss Jena MC 300mm f4 Praktica PB 接環改 Pentax K 接環(開光圈對焦)
	Sigma 600mm f8 折反射鏡頭改 M42 接環