FPI Protostar

We offer knobs for the FPI Protostar secondary that has either 8-32 or 10-24 collimation screws. FPI Protostar secondary assemblies are used in several different Newtonian designs. Select knobs for your secondary from the list

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Knobs for FPI Protostar Secondary (10-24 collimation screw)

Knobs for FPI Protostar Secondary (10-24 collimation screw)


Our price: $25.95 (€22.58)
Quantity
Knobs for FPI Protostar Secondary (8-32 collimation screw)

Knobs for FPI Protostar Secondary (8-32 collimation screw)


Our price: $25.95 (€22.58)
Quantity