A Guide to the Different Types of Edison Screw Bulb Fittings - 12VMonster Lighting
Naked light bulb cage lampshade Diamond with E27 lamp holder
Amazon.com: Hpusn 85W 110V 5400K Compact Fluorescent CFL Balanced Daylight Bulb with E27 Mount, Lighting Studio Ideal for Photography and Video : Electronics
B22 to E27 Socket Adapter, Bayonet BC Cap B22 To E27 ES Edison Screw Converter, BC to ES Extend Lamp Holder Base, B22 to E27 Adaptor Holder Fitting 0-250V, 2A Lamp Socket