Links
Manufacturers SLR
www.canon.de(GDT- company sponsor)
www.foto.pentax.de
www.leica.de(GDT- company sponsor)
www.konicaminolta.de(GDT- company sponsor)
www.nikon.de(GDT- company sponsor)
www.sigma-foto.de(GDT- company sponsor)
www.tamron.com