(1) Nokkor-S Auto 1:1.4, f=50mm;
(2) Soligor Wide-Auto 1:2.8, f=28mm;
(3) Tamron Auto 1:3.5, f=200mm;
Can any one of the lens be used for either T3i or D5100? Any other lens should I get for either the T3i or the D5100?
Any suggestions from experts will be greatly appreciated.