change in DOF using 2X converter?

Started Mar 27, 2013 | Discussions thread
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ladodger New Member • Posts: 15
change in DOF using 2X converter?

how does DOF change when using a TC-20 with 300mm lens.  Is it as simple as calculating DOF without converter and then simply taking half?  For example if DOF without converter is 10 feet in front of subject and 10 feet behind, is new DOF 5 feet in front and 5 feet behind?

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