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  • TS-Optics rifrattore apocromatico 71Q  f/6.3 Quadrupletto TS-Optics rifrattore apocromatico 71Q  f/6.3 Quadrupletto

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TS-Optics Apocromatic refractor 71SDQ f/6.3 Quadruplet FPL-53

Product code: TS71SDQ

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Quick Overview

The TS-Optics 71Q APO quadruplet FPL- 53 it's a 71mm f/6.3 refractor it's ideal for deep-sky astrophotography also with very large sensors. The integrated field flattener guarantee a full illuminated and well corrected field of 44mm. this optics has a very generous and long backfocus of 125mm (that allows also to use a star diagonal of 50,8mm for visual use) it's provided with a dual speed 2,5" R&P focuser. Its' a very compact telescope that can be easly carried in a travel suitcase thanks to the 450mm lenght of the optical tube. 

Availability: Order


Regular Price: €999.00

Special Price €864.00

22% tax incl
if you pay by bank transfer €838.08


TheTS-Optics 71SDQ  f/6.3 it's a quadruplet refractor well corrected in all the aspects, ideal for wide field astrophotography and extended objects. It's composed  of a  riplet FPL-53 with a field flattener air spaced, well corrected on color and chromatic abberation. The three elements and the flattener are integrated and not removeable, this combination provides a well corrected and illuminated image field of 44mm ideal also for full-frame sensors.

TS-Optics rifrattore apocromatico ED71mm f/6.3

The 2,5" rack and pinion focuser with micrometric dual speed has a M63x1 thread that allow the installation of the camera directly on the focuser, this guarantee a perfect and solid connection of the optical train and well aligned at the optical axis. It's provided with a rotating ring that helps to reach a desired  orientation of the camera. The 50,8mm barrel with 31,8mm reduction barrel allows to install a star diagonal for visual use. The camera connection it's very simple, infact the field flattener has a male thread M48x0,75 to connect a T2-M48 ring of your DSLR camera or with a converter M48-T2 to connect a CCD camera. It can be easly carried in a travel suitcase thanks to his very small size and light weight, infact is only 450mmm long with the dewshield retracted and it weight only 3,2Kg rings and vixen dovetail bar.

TS-Optics apocromatic refractor 71SDQ f/6.3 - scope of delivery:

- Telescope quadruplet FPL-53 with R&P 2,5" focuser

- Retractible dewshield

Front and rear cover

Support rings and Vixen type dovetail bar

Technical specifications

Optical Design Apochromat
Optics Tripletto FPL53 con spianatore integrato
Diameter (mm) 71mm
Tube diameter 80mm
Focal Length (mm) 450
Focal Ratio f 6.3
Field flattener/corrector Included and not removable
Optical Tube Alluminio
Obstruction No
Focuser 2,5" pignone e cremagliera, micrometrico
Eyepiece holder 50,8mm with 31,8mm reducer
Weight 3,2 kg
Hard/soft case No

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