Could someone identify it? Lens mount rollei sl66, home-made. The lens hood is not removed. aperture is available. On the body can be seen an Emil Busch aplanat №2,4 or it seems to me. Thanks in advance.
Click image for larger version. 

Name:	3byeSM1Neu4.jpg 
Views:	10 
Size:	35.8 KB 
ID:	172380Click image for larger version. 

Name:	jDS3yDPeV5Y.jpg 
Views:	11 
Size:	43.7 KB 
ID:	172381Click image for larger version. 

Name:	OBqkr06CSlw.jpg 
Views:	9 
Size:	39.2 KB 
ID:	172382Click image for larger version. 

Name:	y2DAOuoKYCk.jpg 
Views:	14 
Size:	46.3 KB 
ID:	172383