Optical Adapters
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73839 Tele-Extender for R200SS f/7.5 Usable with: R200SS Function: Extends focal length by 1.9x 800-1520mm Prime focus photography: T-mount required Eyepiece projection: Requires 73523 camera adapter and extension tube Visual observation: Requires 73720 eyepiece adapter. Cannot be used with 77226 Weight: 99g (3.49oz) |
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77226 Coma Corrector 3 Usable with: R200SS Function: Reduces coma aberration around the edge of field of view. The focal length is not changed. Prime focus photography: T-mount required Visual observation: Cannot be used with 73839 Weight: 83g (2.93oz) |
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73666 Focal Reducer 0.67x for ED Usable with: ED81S, ED115S, ED103S Function: Reduces focal length by 0.67x 625-419mm (f5.2) for ED81S 795-533mm (f5.2) for ED103S 890-596mm (f5.2) for ED115S Prime focus photography: Requires 73876 or 73878 adapter plus T-mount Weight: 174g (6.14oz) |
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77229 Focal Reducer for VC200L f/6.4 Usable with: VC200L Function: Reduces focal length by 0.71x 1800-1278mm (f6.4) Prime focus photography: Requires 73876 or 73878 adapter plus T-mount Weight: 85g (3.0oz) |
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73871 Focal Reducer 0.62x for VMC200L Usable with: VMC200L, VMC260L Function: Reduces focal length by 0.62x 1950-1209mm (f6) for VMC200L 3000-1860mm (f7.1) for VMC260L Prime focus photography: Requires 73876 or 73878 adapter plus T-mount Weight: 183g (6.46oz) |
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77228 Focal Reducer 0.72x for AX103S Usable with: AX103S Function: Reduces focal length by 0.7x 825-578mm (f5.6) For APS-C format camera Prime focus photography: Requires 73876 or 73878 adapter plus T-mount Weight: 140g (4.94oz) |
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Focal Reducer for ED80Sf 77232 for Canon EOS 77231 for Nikon 77233 for Sony Alpha Usable with: ED80Sf Function: Reduces focal length by 0.85x 600-510 (f6.4) Prime focus photography: Supplied with a dedicated T-mount Weight: 242g (8.54oz) w/o T-mount |
