{"product_id":"starlight-instruments-handy-stepper-motor-hms","title":"Starlight Instruments Handy Stepper Motor (HMS)","description":"\u003ch1\u003eStarlight Instruments Handy Stepper Motor\u003c\/h1\u003e\n\u003cp\u003eThe Starlight Instruments Handy Stepper Motor (HMS) unit works exclusively on the Focuser Boss II electronic focuser. The design of this motor housing allows you to still be able to manually turn the focus knob on the focuser by simply turning the over-ride knob on the motor housing.  This motor has a built-in temperature thermistor for temperature control through the Focuser Boss II digital system.\u003c\/p\u003e\n\u003cp\u003eThe HSM20 has 19,450 steps per inch and the HSM30\/35 has 24,300 steps per inch.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe HSM20 will fit any Feather Touch Micro Focuser, Feather Touch retrofit pinion assembly upgrade, and Feather Touch Crayford Focuser.\u003c\/li\u003e\n\u003cli\u003eThe HSM30 will fit any 2.5”, 3.0” and 2.0” Feather Touch Rack\/Pinion Focuser, and Astro Physics 2.7” with Feather Touch pinion assembly upgrade.\u003c\/li\u003e\n\u003cli\u003eThe HSM35 will fit any 3.5” Feather Touch Focuser, Astro-Physics 3.5” and 4.0” with Feather Touch pinion assembly upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor heavier image trains and non Feather Touch Focusers, Starlight Instruments offers the Posi Drive Motor System (PDMS) which can lift in excess of 56 pounds.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003eHMS\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eManual \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eStarlight instruments 1-Year Warranty\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Starlight-Instruments-Focuser-Boss-II-Brochure.pdf?v=1669840100\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eStarlight Instruments Focuser Boss II Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Starlight-Instruments-Electronic-Focusing-System-Brochure.pdf?v=1669840058\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eStarlight Instruments Electronic Focusing System Brochure\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Starlight-Instruments-Feather-Touch-Focusers-Brochure.pdf?v=1669834595\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eStarlight Instruments Feather Touch Focusers Brochure\u003c\/a\u003e\u003c\/p\u003e","brand":"Starlight Instruments","offers":[{"title":"HMS20","offer_id":43729814225125,"sku":"SI-HMS20","price":450.0,"currency_code":"CAD","in_stock":true},{"title":"HMS30","offer_id":43729814257893,"sku":"SI-HMS30","price":450.0,"currency_code":"CAD","in_stock":true},{"title":"HMS35","offer_id":43729814290661,"sku":"SI-HMS35","price":450.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/starlight-instruments-handy-stepper-motor-hms-astronomy-plus_59089f18-7133-496e-88b9-e82901619fd3.jpg?v=1690485918","url":"https:\/\/istronomyplus.com\/products\/starlight-instruments-handy-stepper-motor-hms","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}