hi guys. i have just purchased a 150 mm lens an am wondering which extention ring\focus gear i would need to use for a sigma 150mm lens with a anthea 100\105vr housing. also which one would i need if i were to add a teleconverter to that.
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sigma 150mm port ring extentions
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Which port model do you have? The ports for the 100 and 105 vr are physically different. The model number should be written on the inside rim of the port mount.
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i have the port for a 100mm usm canon (OPF-TMP100 USM-SS) along with a focus gear of this lens (FG/100 USM-SS).
