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Sharpster F4.5 Focal Reducer For 61EDPH III Telescope
Original price was: $199.00.$95.99Current price is: $95.99.
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About this product
Model:Â sharpstar_61edphIII_reducer
Sharpster F4.5 full-frame focal reducer for 61EDPH III Telescope
The back focus is 55mm.
One end of the reducer features an M68 x 1 thread to connect to the focuser drawtube.Â
Camera side, the reducer features an M48 x .75 thread and has a built-in 2″ filter thread.Â
If more back focus distance is required, the reducer can be split to reveal an M54 × 0.75 male thread. The back focus then becomes 75mm.Â
Specifications
| Telescope | 61EDPHIII |
| Focal Ratio | F4.5 |
| Image Circle | 44mm |
| Optics | quadruplet air-spaced structure |
| Back Focus | 55mm(including the M48 thread) |
| Coating | full-surface multi-layer coating |
| Weight | 0.4kg |
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