BH-17H bilibili bilibili 2 RA轴采用SHF17-100谐波减速器 DEC轴采用SHF14-100谐波减速器 weight: 3.4 KG payload: 10 KG ( without counterweight) 17KG ( with 3KG counterweight) onstep controller PE: <= +/- 20 arcsec price:RMB 8,600 BH-25H bilibili bilibili 2 RA轴采用25-160谐波减速器 256细分 理论精度0.16秒 DEC轴采用20-100谐波减速器 256细分 理论精度0.25秒 weight: 12.2 KG ( including pier mount) payload: 22-30 KG ( without counterweight) 35KG ( with 5KG counterweight) goto speed: 8 degree / second price 14,800 rmb cons: 斷電時, 不能自鎖 gs3c