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Accessory Details

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  • You Pay: $96.95
Usually ships in 7-14 business days ? This is a Special order item. Est. arrival at B&H is 7-14 business days (subject to availability). Your order will be charged at time of shipment.
More Info

The JMI Focus Counter is an excellent upgrade for your existing Motofocus unit. It is a low-cost mechanical alternative to the electronic digital readout (DRO). Its three-digit counter display allows 10 turns of the shaft before returning to zero. For focusing repeatability, it works well with manual and motorized NGF focusers, as well as SCT (Schmidt-Cassegrain) telescopes. It is not recommended for CCD imaging due to space limitations and problems with image shifting. Also, the piggy-back option is only available at the time of purchase of the Motofocus unit and can not be added later.