A. Product Classify. B. OTA Detailed Parameter. C. Accessories Detailed Parameter. D. Product Combines Applicability

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1 JOC s products is built confidence on better quality, excellent performance, Table of Contents warranty and best value to customers. We always do the best in R&D A. Product Classify 4 customer service.. OTA Detailed Parameter 6 It is the style that has enabled us to C. Accessories Detailed Parameter 16 maintain the status as a key supplier in D. Product Combines Applicability 25 research, manufacture technology and the industry over 14 years. JOC s products have been acknowledged and spread out in over 30 countries. We will continue to promote our new technology, shipping higher quality products and offering higher grade service to you. 2 3

2 A PRODUCT CLASSIFY Product Classify 1. R Series(Refractors Telescopes) Air Spaced doublet Achromatic Refractor, High quality lens, Perfect for observation and astrophotography in beginner and intermediate level. 2. AR Series(Advanced Refractors Telescopes) Air spaced fourfold semi Achromatic Refractor, High quality lens provides the low dispersion and ample light grasp, Perfect for observation and astrophotography in intermediate level. 3. ED APO Series(ED Apochromatic Refrators Telescopes) Air Spaced triplet Apochromatic Refractor,High quality ED glass lens provides the extra-low dispersion, Perfect for observation and astrophotography in veteran astronomer and serious astronomical research. 4. N Series(Newtonian Reflectors Telescopes) Newtonian Reflectors Telescopes, High quality primary mirror. 6. ND Series(Newtonian Double Reflectors Telescopes) Newtonian Double Reflectors Telescopes, High quality primary mirror with inside barlow lens, perfect for observation in beginner. 7. J Series (ird-jones Reflectors Telescopes) ird-jones Reflectors Telescopes, High quality primary mirror with the corrector lens, coma-free, meet for observation in high power. 8. MC Series(Maksutov-Cassegrain Telescopes) Maksutov-Cassegrain Telescopes, provides high contrast and sharpness of image, meet for observation and astrophotography in high power. 5. PN Series(Parabolic Newtonian Reflectors Telescopes) Parabolic Newtonian Reflectors Telescopes, High quality parabolic primary mirror provides high contrast and sharpness of image. 9. MN Series(Maksutov- Newtonian Telescopes) Maksutov- Newtonian Telescopes, provides high contrast and sharpness of image, flatness of field, Perfect for observation and astrophotography in veteran astronomer. 4 5

3 1.Large-aper ture Refractors Series R127x1200 R102x100 R90x900 R80x640 R70x350 R152x Small-aper ture Refractors Series 2" Focuser 2" Metal Focuser 1.25" Focuser 2" 10:1 Two Speed Crayford Focuser or 2"Crayford Focuser 5x "90 Mirror.or.Prism 1.25".or. 2" 70 / 82 Eyepieces 6 2"90 Mirror JA-1 New Lens Hood #7101 #7102 #7103 #7104 #7105 #7106 R152x1200 R152x990 R127x1200 R127x820 R102x1000 R102x mm(5") 127mm(5") 102mm(4") 102mm(4") 1.25"90 Mirror.or.Prism 1200mm 990mm 1200mm 820mm 1000mm 660mm 6x30 f/8 f/6.5 f/9.5 f/6.5 f/10 f/ " K Eyepieces 1.25"45 Mirror JE100 #7107 #7108 #7109 #7110 #7111 #7112 #7113 #7114 #7115 #7116 #7117 #7118 #7119 #7120 #7121 #7122 R90x900 R90x700 R90x500 R80x900 R80x700 R80x640 R80x400 R70x900 R70x700 R70x350 R60x900 R60x800 R60x700 R60x420 R50x600 R50x300 90mm(3.5") 90mm(3.5") 90mm(3.5") 80mm(3.15") 80mm(3.15") 80mm(3.15") 80mm(3.15") 70mm(2.75") 70mm(2.75") 70mm(2.75") 60mm(2.36") 60mm(2.36") 60mm(2.36") 60mm(2.36") 50mm(2") 50mm(2") 900mm 700mm 500mm 900mm 700mm 640mm 400mm 900mm 700mm 350mm 900mm 800mm 700mm 420mm 600mm 300mm f/10 f/7.8.6 f/11.3 f/8.8 f/8 f/12.8 f/10 f/15 f/13.3 f/11.7 f/7 f/12 f/6 7

4 4.ED Apochromatic Refrators Series 3.Advanced Refractors Series AR127x635 ED127x950 ED102x700 AR152x760 ED80x480 2" Focuser 2" 10:1 Two Speed Crayford Focuser or 2"Crayford Focuser 2"90 Mirror 1.25"90 Mirror.or.Prism Erect-Illuminator 1.25"90 Mirror.or.Prism 2"90 Mirror 1.25".or. 2" 70 / 82 Eyepieces 8 Ar152x760 Ar127x mm(5") 760mm 635mm 2"90 Mirror 99% Reflectivity #7123 #7124 JA-1 2" 10:1 Two Speed Crayford Focuser or 2"Crayford Focuser 1.25".or. 2" 70 / 82 Eyepieces #7125 #7126 #7127 #7128 ED152x760 ED127x950 ED102x700 ED80x mm(5") 102mm(4") 80mm(3.15") 760mm 950mm 700mm 480mm f/7.5 f/7 f/6 9

5 5.Newtonian Reflectors Series 6.Parabolic Newtonian Reflectors Series N130x1000 N114x900 PN254x1150 PN203x900 PN152x " Focuser N150x1200 2" Metal Focuser 2" Metal Focuser 2" 10:1 Two Speed Crayford Focuser or 2"Crayford Focuser 5x20 JE x " K Eyepieces Erect-Illuminator 6x30 #7129 N150x mm(6") 1200mm f/8 #7130 N130x mm(5.12") 1000mm f/7.7 #7131 N118x mm(4.6") 1000mm f/8.5 #7136 PN254x mm(10") 1150mm f/4.5 #7132 N114x mm(4.5") 900mm f/7.9 #7137 PN203x mm(8") 1000mm #7133 N114x mm(4.5") 500mm f/4.4 #7138 PN152x mm #7134 N76x900 76mm(3") 900mm f/11.8 #7139 PN152x mm f/4.5 #7135 N76x700 76mm(3") 700mm f/9.2 #7140 PN130x mm(5.12") 650mm 2" 70 / 82 Eyepieces 1.25" K Eyepieces 11

6 7.Newtonian Double Reflectors Series ND130x1200 ND114x1000 J254x1600 2" Metal Focuser 1.25" Focuser 2" Metal Focuser 5x20 6x30 2" 10:1 Two Speed Crayford Focuser or 2"Crayford Focuser JE100 Erect-Illuminator 6x " K Eyepieces J152x1050 J203x1400 ND150x ird-Jones Reflectors Series #7141 ND150x mm(6") 1400mm f/9.3 #7144 J254x mm(10") 1600mm f/6.3 #7142 ND130x mm(5.12") 1200mm f/9.2 #7145 J203x mm(8") 1400mm f/6.9 #7143 ND114x mm(4.5") 1000mm f/8.8 #7146 J152x mm f/ " K Eyepieces 13

7 9.Maksutov-Cassegrain Series MC152x1900 MC100x1400 MC203x Maksutov- Newtonian Series MN152x730 Inside Focus 2" 10:1 Two Speed Crayford Focuser or 2"Crayford Focuser 2" 10:1 Two Speed Crayford Focuser Erect-Illuminator Erect-Illuminator 2"90 Mirror-Adapter 1.25"90 Mirror.or.Prism JA-1 JE ".or. 2" 70 / 82 Eyepieces 14 #7147 Mc203x mm(8") 2500mm f/12.5 #7148 Mc152x mm f/12.5 #7149 Mc100x mm(4") 1400mm f/ ".or. 2" 70 / 82 Eyepieces #7144 MN152x mm f/4.8 15

8 C 1.Equatorial Mount Series 2.Altazimuth Mount Series C JE180 A JE100 JE80 JE60 JA-1 JA-2 Level Perpendicular Accept Heavy #07210 JA kg #07211 JA kg # kg #07213 JA kg # kg JE40 JA-4 Gear Wheel Polar Scope Accept Heavy #07201 JE Yes 15kg # Yes 12kg #07203 A 144 Yes 10kg # No 10kg #07205 JE100A 138 No 5kg #07206 JE No 5kg JE100A #07207 JE No 4kg #07208 JE60 90 No 2kg #07209 JE40 90 No 2kg 16 17

9 C C 3.Tripod Series ST1A ST1 ST1C ST2 ST3A AT1 #7301 #7302 #7303 #7304 #7305 #7306 #7307 #7308 #7309 #7310 #7311 #7312 #7313 #7314 #7316 #7317 #7318 AT-S AT-SE AT2 AT3 AT4 AT5 ST3A ST2 ST1A ST1 ST1C ST1D AT6 AT5 AT4 AT3 AT2 AT1 AT-S AT-SE W362 PT-4 PT-1 Material Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Simple Tripod Simple Tripod Desktop Tripod AT

10 C C 4.Controller Motor Drive Series 5.Viewfinder Series DK-3 DK-1 DK-8 Motor #7401 SV.GOTO Ra.and.Dec #7402 DK-3 Ra.and.Dec #7403 DK-1 Ra #7404 DK-8 Ra #7405 DK-V Ra #7406 DK-VS Ra Erect-Illuminator 6x30 6x25 Erect 5x20 DK-V #7501 Erect-Illuminator #7502 #7503 #7504 8x21 Erect 8x21 Erect #7505 6x30 #7506 6x25 Erect DK-VS #7507 5x20 #7508 Red Point 20 21

11 C C 6.Diagonal Series 7.arlow Series 2"90 Mirror 99% Reflectivity 2"90 Mirror 2"90 Mirror-Adapter 1.25" 45 Erect-Prism-Adapter #7511 2"90 Mirror 99% Reflectivity #7512 2"90 Mirror #7513 2"90 Mirror-Adapter # "90 Prism # "90 Mirror 1.25" 45 Erect-Prism # "45 Erect-Prism-Adapter # "45 Erect-Prism P1.5x P2x P3x A2x A3x Type #7561 P1.5x Par-Focal Erecting #7562 P2x Par-Focal #7563 P3x Par-Focal #7564 A2x Achromatic #7565 A3x Achromatic #7566 S3x Super Achromatic #7567 S5x Super Achromatic 1.25"90 Prism 1.25"90 Mirror S3x S5x 22 23

12 C 8.Eyepieces Series Guide Series 70 Series 82 Series K Series arrel Size #7521 K6 31.7mm(1.25") #7522 K9 31.7mm(1.25") #7523 K mm(1.25") #7524 K mm(1.25") #7525 K mm(1.25") #7526 PL mm(1.25") #7527 PL6 31.7mm(1.25") #7528 PL mm(1.25") #7529 PL mm(1.25") #7530 PL mm(1.25") #7531 PL mm(1.25") #7532 PL mm(1.25") #7533 PL mm(1.25") # mm 31.7mm(1.25") # mm 31.7mm(1.25") # mm 31.7mm(1.25") # mm 50.8mm(2") # mm 50.8mm(2") # mm 50.8mm(2") # mm 31.7mm(1.25") # mm 31.7mm(1.25") # mm 31.7mm(1.25") # mm 31.7mm(1.25") # mm 50.8mm(2") # mm 50.8mm(2") # mm 50.8mm(2") #7451 GE15mm 31.7mm(1.25") #7452 GE25mm 31.7mm(1.25") Product List OTA #7101 R152x1200 #7102 R152x990 #7103 R127x1200 #7104 R127x820 #7105 R102x1000 #7106 R102x660 #7107 R90x900 #7108 R90x700 #7109 R90x500 #7110 R80x900 #7111 R80x700 #7112 R80x640 #7113 R80x400 #7114 R70x900 #7115 R70x700 #7116 R70x350 #7117 R60x900 #7118 R60x800 #7119 R60x700 #7120 R60x420 #7121 R50x600 #7122 R50x300 #7123 AR152x760 #7124 AR127x635 #7125 ED127x950 #7126 ED102x700 #7127 ED80x480 #7128 PN254x1150 #7129 PN203x1000 #7130 PN203x900 #7131 PN152x750 #7132 PN152x675 #7133 PN130x650 #7134 N150x1200 #7135 N130x1000 #7136 N118x1000 #7137 N114x900 #7138 N114x500 #7139 N76x900 #7140 N76x700 #7141 Nd150x1400 #7142 Nd130x1200 #7143 Nd114x1000 #7144 J254x1600 #7145 J203x1400 #7146 J152x1050 #7147 MC203x2500 #7148 MC152x1900 #7149 MC100x1400 #7150 MN152x740 MOUNT #7201 JE180 #7202 #7203 A #7204 #7205 JE100A #7206 JE100 #7207 JE80 #7208 JE60 #7209 JE40 #7210 JA1 #7211 JA2 #7212 JA3 #7213 JA4 #7214 #7215 U76 #7216 U70 #7217 U60 #7218 U50 TRIPOD #7301 ST3A #7302 ST2 #7303 ST1A #7304 ST1 #7305 ST1C #7306 ST1D #7307 AT6 #7308 AT5 #7309 AT4 #7310 AT3 #7311 AT2 #7312 AT1 #7313 AT-S #7314 AT-SE #7315 W360 #7316 W362 #7317 PT4 #7318 PT1 Controller Motor Drive #7401 SV.GOTO #7402 DK-3A #7403 DK-1 #7404 DK-8 #7405 DK-V #7406 DK-VS Viewfinder #7501 Erect-Illuminator #7502 #7503 #7504 8x21 Erect #7505 6x30 #7506 6x25 Erect #7507 5x20 #7508 Red Point Diagonal #7511 2"90 #7512 2"90 Mirror #7513 2"90 Mirror-Adapter # "90 Mrism # "90 Mirror # "45 Erect-Prism # "45 Erect-Prism Eyepieces #7521 K6 #7522 K9 #7523 K12 #7524 K20 #7525 K25 #7526 PL5.5 #7527 PL6 #7528 PL10 #7529 PL15 #7530 PL20 #7531 PL25 #7532 PL30 #7533 PL40 # mm # mm # mm # mm # mm # mm # mm # mm # mm # mm # mm # mm # mm #7551 GE15 #7552 GE25 arlow #7561 P1.5x #7562 P2x #7563 P3x #7564 A2x #7565 A3x #7566 S3x #7567 S5x Accessories #7581 r #7591 New Lens Hood Focus #7571 inside Focus # :1 Two Speed Crayford Focuser #7573 2"Crayford Focuser #7574 2"Focuser # "Focuser D PRODUCT COMINES APPLICAILITY 24 PL Series 25

13 D OTA Configuration OTA Focuser lens hood Handlebar Viewfinder Enhanced Diagonal D PRODUCT COMINES APPLICAILITY Inside Focus Crayford Focuser 2 10:1 Two Speed 2" Crayford Focuser 2" Metal Focuser 1.25" Focuser Series #7571 #7572 #7573 #7574 #7575 #7591 #7581 #7501 #7502 #7503 #7504 #7505 #7506 #7507 #7508 #7511 #7512 #7513 #7514 #7515 #7516 #7517 R 152 R152x1200 #7101 R152x990 # R127x1200 #7103 R127x820 # R102x1000 #7105 R102x660 # R90x900 #7107 R90x700 #7108 R90x500 # R80x900 #7110 R80x700 #7111 R80x640 #7112 R80x400 # R70x900 #7114 R70x700 #7115 R70x350 # R60x900 #7117 R60x800 #7118 R60x700 #7119 R60x420 # R50x600 #7121 R50x300 #7122 AR 152 AR152x760 # AR127x635 #7124 ED APO 152 ED152x760 # ED127x950 # ED102x700 # ED80x480 #7128 N 150 N150x1200 # N130x1000 # N118x1000 # N114x900 #7132 N114x500 # N76x900 #7134 N76x700 #7135 PN 254 PN254x1150 # PN203x1000 # PN152x750 #7138 PN152x675 # PN130x650 #7140 ND 150 ND150x1400 # ND130x1200 # ND114x1000 #7143 J 254 J254x1600 #7144 New Lens Hood 203 J203x1400 # J152x1050 #7146 r MC 203 MC203x2500 #7147 (insidefocus) 152 MC152x1900 #7148 (+Adapter) (+Adapter) 100 MC100x1400 #7149 MN 152 MN152x740 # default optional 27 Erect-Illuminator 8x21 Erect 6x30 6x25 Erect 5x20 Red Point 2"90 2"90 M irror 2"90 Mirror-Adapter 1.25"90 M rism 1.25"90 M irror 1.25"45 E rect-prism 1.25"45 E rect-prism PRODUCT COMINES APPLICAILITY

14 D OTA&Mount Configuration D PRODUCT COMINES APPLICAILITY OTA OTA Equatorial Mount Altazimuth Mount U Mount Simple Tripod Desktop Tripod JE180 A JE100A JE100 JE80 JE60 JE40 JA-1 JA-2 JA-4 U76 U70 U60 U50 W362 TP-4 TP-1 Series # 7201 # 7202 # 7203 # 7204 # 7205 # 7206 # 7207 # 7208 # 7209 # 7210 # 7211 # 7212 # 7213 # 7214 # 7215 # 7216 # 7217 # 7218 #7316 #7317 #7318 R 152 R152x1200 #7101 R152x990 # R127x1200 #7103 R127x820 # R102x1000 #7105 R102x660 # R90x900 #7107 R90x700 #7108 R90x500 # R80x900 #7110 R80x700 #7111 R80x640 #7112 R80x400 # R70x900 #7114 R70x700 #7115 R70x350 # R60x900 #7117 R60x800 #7118 R60x700 #7119 R60x420 # R50x600 #7121 R50x300 #7122 AR 152 AR152x760 # AR127x635 #7124 ED APO 152 ED152x760 # ED127x950 # ED102x700 # ED80x480 #7128 N 150 N150x1200 # N130x1000 # N118x1000 # N114x900 #7132 N114x500 # N76x900 #7134 N76x700 #7135 PN 254 PN254x1150 # PN203x1000 # PN152x750 #7138 PN152x675 # PN130x650 #7140 ND 150 ND150x1400 # ND130x1200 # ND114x1000 #7143 J 254 J254x1600 # J203x1400 # J152x1050 #7146 MC 203 MC203x2500 # MC152x1900 # Mc100x1400 #7149 MN 152 MN152x740 #7150 default optional PRODUCT COMINES APPLICAILITY

15 D Mount&Tripod&MotorConfiguration D PRODUCT COMINES APPLICAILITY Mount Tripod Controller Motor Drive Stainless Steel ST3A ST2 ST1A ST1 ST1C ST1D AT6 AT5 AT4 AT3 AT2 AT1 AT-S AT-SE SV.GOTO DK-3A DK-1 DK-8 DK-V DK-VS Series # 7301 # 7302 # 7303 # 7304 # 7305 # 7306 # 7307 # 7308 # 7309 # 7310 # 7311 # 7312 # 7313 # 7314 # 7401 # 7402 # 7403 # 7404 # 7405 # 7406 Equatorial Mount JE180 # 7201 # 7202 A # 7203 # 7204 JE100A # 7205 JE100 # 7206 JE80 # 7207 JE60 # 7208 JE40 # 7209 Altazimuth Mount JA-1 # 7210 JA-2 # 7211 # 7212 JA-4 # 7213 # 7214 U Mount U76 # 7215 Simple Tripod W362 #7316 Desktop Tripod PT-1 #7318 default optional U70 # 7216 U60 # 7217 U50 # 7218 PT-4 #7317 PRODUCT COMINES APPLICAILITY Inquiry form Item OTA Focuser Viewfinder Enhanced Diagonal Eyepieces arlow Mount Tripod Controller Motor Drive 30 31