Sky-Watcher 0.85x reducer/corrector

Correctors for Sky-Watcher APO series

Product variants

More about the product

These accessories are needed because refracting telescopes provide a curved focal plane. The problem is similar to the distortions observed in Newtonian telescopes: stars are not pointlike close to the edges. Usually the correctors also reduce the focal length, resulting in faster optics.

The Sky-Watcher\'s new correctors are designed especially for their ED Apo telescopes: 80mm, 100mm and 120mm EDs, but can be used with good results in similar telescopes. They provide 0.85x reduction, so the focal lengths will be somewhat shorted (for example, the 80/600 ED becomes a 80/510, meaning that the system changes from f/7.5 to f/6.37). Provide good correction at the edges, so the correctors can be used even for 35mm format (full frame). The correction can be mounted using the standard thread and provide a larger than 2\" field. At the corrector\'s back an M48 thread is provided which is also somewhat larger than the traditional T2.

Ivaylo Dobrev's opinion

After a few weeks, months of usage

Optical quality

Mechanical quality

Price/Value ratio

0.85x reducer and flattener for Skywatcher Evostar 80/600 ED APO telescopes (with M48 screw)
0.85x reducer and flattener for Skywatcher Evostar 80/600 ED APO telescopes (with M48 screw)

Bobber's opinion

Results of the first test

Price/Value ratio

Pros

Teszi a dolgát

Cons

Csak a szokásos :) az ára.

Summary

A 80/600apóval nem 510-re hanem 520ra redukalja a fókuszt de ezt szerencsére már tudtam így nem volt gond a platesolving

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You are eligible for accessory discount only when purchased tugether with a main product.

Astronomical telescopes up to 100 Euros
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Microscope offer up to 200 Euros



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