| Camera Lens with 37mm thread | 37mm (thread) | | TH-RG-8.5X11, AZ-1032 | |
| Camera Lens with 40.5mm thread | | | TH-RG-8.5X11, AZ-1032
| |
| Camera Lens with 43mm thread | 43mm (thread) | | TH-RG-8.5X11, AZ-1032
| |
| Camera lens, finder, monocular, binocular (need 2 filters) with <1.75" Outer Diameter (OD) | 44mm\1.75" | SP-ST200G, AZ-1501 | TH-RG-8.5X11, AZ-1032 | TH-BP-8.5X11 |
| Camera Lens with 46mm thread | 46mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST46MM |
| Camera Lens with 49mm thread | 49mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST49MM |
| Camera lens, finder, monocular, binocular (need 2 filters) with <2" Outer Diameter (OD) | 50mm\2.00" | SP-ST225G, AZ-1502 | TH-RG-8.5X11, AZ-1032 | TH-S-2000 |
| Camera Lens with 52mm thread | 52mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST52MM |
| Camera lens, finder, monocular, binocular (need 2 filters) with <2.25" Outer Diameter (OD) | 54mm\2.25" | SP-ST232G, AZ-1503 | TH-RG-8.5X11, AZ-1032 | TH-S-2325 |
| Camera Lens with 55mm thread | 55mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST55MM |
| Camera Lens with 58mm thread | 58mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST58MM |
| Camera lens, finder, monocular, binocular (need 2 filters) with <2.4" Outer Diameter (OD) | 60mm\2.37" | AZ-1504 | | |
| Camera Lens with 62mm thread | 62mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST62MM |
| Celestron 9x50 Finder or William optics 7x50 finder | 65mm\2.55" | AZ-1504 | | |
| Camera Lens with 67mm thread | 67mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST67MM |
| Meade NG-60 or MGC-60, small refractors, finder scopes, camera lenses, and binoculars with less than 70mm OD | 70mm\2.75" | SP-ST275G, AZ-1505 | TH-RG-8.5X11, AZ-1032 | |
| Camera Lens with 72mm thread | 72mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST72MM |
| Telescopes with max outer diameter of 73mm | 73mm\2.87" | SP-ST300G | | |
| Celestron 60, Meade DS-2070AT,DS-60 EC, Orion 70 is suitable, Vixen A70LF | 76mm\3.00" | SP-ST325G, AZ-1506 | TH-RG-8.5X11, AZ-1032 | TH-S-3000 |
| Camera Lens with 77mm thread | 77mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST77MM |
| Camera Lens with 82mm thread | 82mm (thread) | | TH-RG-8.5X11, AZ-1032 | SP-ST82MM |
| Takahashi FS-60C, some 70mm refractors less than 84mm OD | 84mm\3.25 | SP-ST350G, AZ-1507 | TH-RG-8.5X11, AZ-1032 | TH-S-3250 |
| Celestron's 60 AZ and EQ, 80 EQ, Meade's ETX-60AT ETX-70AT, NG-60, Orion Observer 60 AZ and EQ, Tele-Vue 76 and Pronto, Vixen's A80MF, A80SSWT, and ED81SWT | 90mm\3.50" | SP-ST375G, AZ-1508 | AZ-1000, AZ-1015, TH-RG-8.5X11, AZ-1032 | TH-S-3500 |
| Older models of Celestron 80, Meade ETX-80 AT-TC, DS2080. Orion Shortube 80, Observer 70, Astroview 80/90, and Explorer 80/90. Takahashi SKY 90, Vixen ED80SF and ED100SF | 95mm\3.75" | SP-ST400G, AZ-1509 | AZ-1000, AZ-1032 | TH-S-3750 |
| Meade ETX 90m, Celestron Nexstars 60, 80, 80GT, Celestron Firstscope 90EQ, Orion Starmax/ Apex 90 | 101mm\4.00" | AZ-1510 | TH-4000, BA-ASTF-80, AZ-1032 | TH-S-4000 |
| Telescopes with max outer diameter of 105mm | 105mm\4.13" | SP-ST425G | | |
| Orion, Sky-Watcher, Vixen 80 or 100mm ED | 108mm\4.25" | AZ-1511 | AZ-1003, BA-ASTF-80 | TH-S-4250 |
| Telescopes with max outer diameter of 111mm | 111mm\4.37" | SP-ST450G | | |
| Orion, Sky-Watcher, Vixen 80 or 100mm ED, Canon 100-400mm L IS I Lens shield | 114mm\4.50" | AZ-1512 | AZ-1003, AZ-1001, BA-ASTF-80 | TH-S-4500 |
| Telescopes with max outer diameter of 117mm | 117mm\4.6" | SP-ST475G | | |
| Meade ETX105 and Celestron Astromaster 90 | 120mm\4.75" | AZ-1513, TH-4750 | AZ-1001, BA-ASTF-80 | TH-S-4750 |
| Celestron Firstscope 76, Nexstar 4/4SE, C4, 102HD, Meade's ETX 105, DSX 102, 2045 . Stellarvue SV102ED, Skywatcher 80ED and Evostar 80ED, Questar 4.75, Takahashi FSQ-106, Tele-Vue's NP101 and 102, Vixen VMC 110L | 124mm\4.87" | SP-ST500G, AZ-1514 | BA-ASTF-100 | |
| Celestron older models of C102 HD, Meade 5000 ED APO 80mm, Meade 2045, ETX 105, TV-101-102, or Meade DSX 102 | 127mm\5.00" | SP-ST525G, AZ-1514 | BA-ASTF-100 | TH-S-5000 |
| C-102 HD | 133mm\5.25" | | BA-ASTF-100 | TH-S-5250 |
| Celestron CG4.5, C5/5i, Firstscope 114, Nexstar 5/5SE, Nexstar 114, 130GT. Meade's ETX 125, 114 EQ, DS-2114 ATS, Orion's ShortTube 4.5, Skyquest XT4.5, 127 Mak, Takahashi TSA-102 | 139mm\5.50" | SP-ST575G, AZ-1515 | AZ-1002, BA-ASTF-100 | TH-5500 |
| Celestron CG4.5, C5/5i, Firstscope 114, Nexstar 5/5SE, Nexstar 114, 130GT. Meade's ETX 125, 114 EQ, DS-2114 ATS, Orion's ShortTube 4.5, Skyquest XT4.5, 127 Mak, Takahashi TSA-102,, Canon 300mm f/2.8 L IS lens shield | 146mm\5.75" | SP-ST600G, AZ-1516 | AZ-1002, TH-RG-5750, BA-ASTF-100, BA-ASTF-120 | TH-S-5750 |
| Meade 130mm 5000 ED APO, Tele-Vue 127NP, Vixen 114. | 152mm\6.00" | SP-ST625G | TH-RG-6000, BA-ASTF-100, BA-ASTF-120 | TH-S-6000 |
| Meade 127NT, LXD55/LXD75 AR-5, Orion SpaceProbe 130ST, Starseeker 130, and 130EDF5, Astrophysics 125 and 130 | 158mm\6.25" | SP-ST650G, AZ-1518 | AZ-1013, TH-RG-6250, BA-ASTF-120, BA-ASTF-140 | TH-S-6250 |
| 130mm Newtonian telescopes | 165mm\6.50" | | AZ-1013, BA-ASTF-120, BA-ASTF-140 | TH-S-6500 |
| CelestronC-150 CR/C-150 HD, Meade 6" Apo 152 ED, DS-2130 ATS, LXD55 SN-6, Orion's SpaceProbe 130, SkyWatcher 6", Stellarvue SV5 and SV125, Takahashi FS-128, TOA-130, and TOA-150, Intes Mk67 | 178mm\7.00" | SP-ST712G, AZ-1519 | | |
| Astrophysics 155, Celestron Nexstar 6/6SE, C6, Starhopper 6, Orion's AstroView 6, SkyView Pro 6 or 6LT, Skyquest XT6, Vixen 150 | 181mm\7.12" | SP-ST750G, AZ-1520 | AZ-1016, TH-RG-7125, BA-ASTF-160 | TH-S-7125 |
| Astrophysics 155, Celestron Nexstar 6/6SE, C6, Starhopper 6, Orion's AstroView 6, SkyView Pro 6 or 6LT, Skyquest XT6, Vixen 150 | 187mm\7.37" | SP-ST750G, AZ-1520 | BA-ASTF-160 | |
| C-6, Meade 6" Schmidt-Newtonian, Vixen 150, AP-155 | 190mm\7.50" | | BA-ASTF-160 | TH-S-7500 |
| 152mm Refractors (measure dew shield diameter) | 196mm\7.75" | AZ-1521 | | |
| Meade 7" APO 178ED, Takahashi Mewlon-180 | 203mm\8.00" | SP-ST8377G | AZ-1014, BA-ASTF-160 | TH-S-8000 |
| Meade 7" APO 178ED, Takahashi Mewlon-180 | 209mm\8.25" | SP-ST8377G | BA-ASTF-200 | |
| Meade LXD-55 AR-6, M-6 APO, Questar 7 | 212mm\8.37" | | BA-ASTF-200 | TH-S-8375 |
| Telescopes with OD <8.50" | 218mm\8.50" | SP-ST875G, AZ-1523 | BA-ASTF-200 | |
| Telescopes with OD <8.75" | 224mm\8.75" | AZ-1524 | BA-ASTF-200 | |
| Older Celestron and Meade 8" SCT. Takahashi's Epsilon-180ED, Vixen's R200SS, VX200L, VMX200L | 230mm\9.187" | SP-ST9312G, AZ-1524 | AZ-1004, TH-RG-9187, BA-ASTF-200 | TH-S-9187 |
| Meade and Celestron 8" SCT/ACF, Meade 8" Lightbridge Dob. Orion SkyQuest XT8, Atlas 8, SkyView Pro 8, Vixen R200SS | 236mm\9.312" | SP-ST950G, AZ-1525 | AZ-1004, BA-ASTF-200 | TH-S-9187 |
| Meade Starfinder 8, Orion 8 DSE, Celestron CPC/EdgeHD 8" | 241mm\9.50" | SP-ST975G, AZ-1526 | TH-RG-9500, BA-ASTF-200 | TH-S-9500 |
| Meade LXD55 SN-8 or LXD75 SN-8, Takahashi CN-212 | 247mm\9.75" | AZ-1527 | BA-ASTF-200 | |
| Meade 8" Schmidt-Newtonian | 254mm\10.00" | | AZ-1010 | |
| Older Skywatcher 8" Reflector | 260mm\10.25" | AZ-1528 | BA-ASTF-240 | |
| Celestron C9.25/CPC/EdgeHD | 266mm\10.50" | AZ-1529 | AZ-1005, BA-ASTF-240 | TH-S-10500 |
| Starhopper 8, C-9 1/4" | 273mm\10.75" | | BA-ASTF-240 | TH-S-10750 |
| Celestron 10" Newtonian, Orion SkyWatcher 10" | 289mm\11.37" | AZ-1530 | BA-ASTF-240 | |
| C-10 Newt., Orion Skywatcher 10 | 292mm\11.50" | | AZ-1006, BA-ASTF-240 | TH-S-11500 |
| Meade 10" SCT/ACF/RCX | 298mm\11.75" | AZ-1531 | AZ-1006 | |
| Meade 10" SCT/ACF/RCX/ Schmidt-Newt, Vixen VMC260L | 302mm\11.87" | SP-ST1200G | | |
| Meade 10" S/C, LXD 55 | 305mm\12.00" | | BA-ASTF-280 | TH-S-12000 |
| 10" Dobsonian (measure the outer diameter) | 310mm\12.22" | | BA-ASTF-280 | TH-S-12225 |
| Celestron CPC 1100 or C11 SCT. Meade's 10" Lightbridge Dobsonian, Orion SkyQuest XT10 | 311mm\12.25" | SP-ST1250G, AZ-1532 | | |
| C-11 Schmidt Cassegrain | 317mm\12.50" | | BA-ASTF-280 | TH-S-12500 |
| Meade Starfinder 10,Coulter 10", Takahashi Mewlon 300 | 327mm\12.87" | SP-ST1300G, AZ-1533 | BA-ASTF-280 | |
| Meade 12" SCT/ACF/and RCX 400 12" | 346mm\13.62" | SP-ST1375G, AZ-1534 | AZ-1008 | |
| 12" Meade SCT and some 11-12" dobsonians (measure the outer diameter) | 349mm\13.75" | | | TH-S-13750 |
| Meade 12" Lightbridge, Orion Skyquest XT12, or Skywatcher 12" | 365mm\14.37" | SP-ST1450G | | |
| Meade Starfinder 12.5" | 381mm\15.00" | | | |
| Telescopes with an OD <15.25" | 387mm\15.25" | | | TH-S-15250 |
| Older Celestron 14" SCT | 397mm\15.62" | SP-ST1575G, AZ-1536 | AZ-1009 | |
| Celestron 14" SCT/EdgeHD | 403mm\15.87" | SP-ST1600G, AZ-1537 | AZ-1009 | |
| Celestron 14" SCT/EdgeHD | 406mm\16.00" | | | TH-S-16000 |
| Telescopes with an OD <17.00" | 432mm\17.00" | | | TH-S-17000 |
