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  • Correttore 2" per RC GSO Correttore 2" per RC GSO

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TS-Optics 3 inches 0,79x 4-element reducer for apo refractors up to Full Frame

Product code: TSRed379

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Quick Overview

TS-Optics 3 inches 0,79x 4-element reducer for apo refractors reduce focal length 0.79x, 4-element design for very good field correction. It makes the system faster and corrects for the field curvature even with full size sensors. It is suitable for refractors with at least 2.5" focusers (it threads to M68) or it can be inserted to 3" focusers with the 3" nose. On the camera side it has a M48 thread.

Availability: Available

Order €345.00
22% tax incl
if you pay by bank transfer €334.65

Details

Backfocus distance:

- Telescope focal length up to 350 mm: 70 mm
- Telescope focal length up to 420 mm: 65 mm
- Telescope focal length 450-500 mm: 61 mm
- Telescope focal length 510-600 mm: 58 mm
- Telescope focal length 610-700 mm: 57 mm
- Telescope focal length 710-790 mm: 56 mm
- Telescope focal length more than 800 mm: 55 mm

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