A special extension is available for use with Nikon 105mm VR Macro and Canon 100mm USM Macro lenses. Manual focus is adjusted with a large, easy-to-turn knob on the side of the extension. Extension can be used with the Nikon 105mm VR Macro lens and either 5510.16 or 5510.22 Lens Extensions. Canon 100mm USM lenses require the 5510.16 Lens Extension.
The Focus Extension can be used in place of Lens Spacer 1.75 in in most instances. The Focus Extension should no be used with the bayonet-style lens extensions 5510.10 or 5510.11.
Use our Port Finder for more information on compatibility.
Nikon 105mm VR Macro Lens Users: Lens Extensions produced before 4/15/08 require a modification for use with the Nikon 105mm VR Macro lens.
Canon 100mm "L" USM Macro w/Hybrid IS Users: Requires focus knob spacer part number 0376.2 (MSRP $6). This spacer is included with all 5510.75 Lens Extensions produced as of December 1, 2009.
The MSRP referenced is a suggested US market retail price. Actual sales prices are set exclusively by Authorized Ikelite Dealers.