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Patent Pending 

SIMple™ Fit Gears are protected under patent laws worldwide

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MARK HOLTZE | SIMMOD PRO MEMBER | @mholtze

IF A SPECIFIC LENS IS NOT ON THE LIST, WE DO NOT HAVE DATA ON THAT LENS.
WE ARE NOT ABLE TO CONFIRM MEASUREMENTS OF LENSES AND ANY EMAILS REQUESTING SIZE CONFIRMATION WILL NOT RECEIVE A REPLY.  PLEASE REFER TO THE LIST ABOVE AND CONFIRM ALL MEASUREMENTS WITH A CALIPER.

ATTENTION:  If the measurement of your lens falls in between two sizes, please select the next size up.  For example, if your lens measures 65.5 (size S), please select size 66-69 gear (Size M).  Before you invest in parts to modify your lens, we strongly encourage you to invest in the tools needed for proper measurement.  A digital calliper sells for $10 on Amazon.com.  Please consider purchasing one. 

Our SIMple Fit Follow Focus Gears are machined from solid aluminum, consisting of a 32-pitch gear with a 0.8 Module.  This is the industry standard.

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