refractor|refractors in English

noun

[re'frac·tor || rɪ'fræktə(r)]

something which causes refraction; refracting telescope, telescope that uses a lens or series of lenses to focus

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1. Page 1 of 2 - Recommendations for 6 inch visual apo refractor - posted in Refractors : I am considering several 6 inch Apochromatic refractors

2. Refractor Telescopes & Apochromatic Refractor Telescopes

3. LX85 Series - 115mm Apochromatic Refractor

4. Orion EON 130mm ED Triplet Apochromatic Refractor

5. The Takahashi Collimating scope is a 6 x 18mm telescope designed for use on refractor, Ritchey-Chretien and classical Cassegrain telescopes and also used on the Takahashi CN-212, Mewlons and refractors of 820mm or more in focal length.

6. Apochromatic Refractor (APO) 8 Items

7. Lighting manufacturers use borosilicate glass in their refractors.

8. Well, actually not too big if it's a refractor.

9. Sky-Watcher Evostar 72 ED Apochromatic Refractor OTA

10. The best two Apochromatic telescopes currently available for sale are Versa ED Apochromatic Refractor OTA Telescope and Orion Triplet Apochromatic Refractor Telescope

11. An Achromatic lens is a type of glass lens found within refractor based telescope

12. My main scope is an Acuter NatureClose refractor with an 80mm objective

13. Our high-performance Apochromatic Refractor Telescope provides stellar viewing of sidereal objects

14. Starizona Apexed-L 0.65x Reducer/Flattener Introducing Starizona´s 5-Element Apex ED 0.65x Reducer/Flattener for Apo refractors and RC/ACF telecopes This focal reducer was designed for apo refractors used by many astrophotographers

15. Page 1 of 4 - F/15 Achromats - posted in Refractors : My understanding is that there are no longer F/15 Achromats sold because too unwieldy, shorter apochromatic refractors do as well, and there is just no market anymore for the older style

16. The largest refractor in history was completed in 1897, at Yerkes Observatory outside Chicago.

17. Ophthalmological and optical diagnostic, testing and surgical apparatus, machines, instruments and equipment including tonometers, adaptometers, aberrometers, keratomes, refractometers, refractors, auto refractors, topographers, lensmeters, pachymeters, exam chairs, instrument stands, slit lamp microscopes, eye testing chart projectors

18. Equipment for opticians and ophthalmologists including pupilometers, refractors, refractometers, auto refractometers, optometers, keratometers, ophthalmometers, skiascopes and reading scales

19. Takahashi TOA-130NS 5.1" F/7.7 Ortho-Apochromat Triplet Refractor OTA

20. Andrew Luck (Alck) Andrew Luck 2012 Topps Chrome Black Refractor BGS 9.5 Buy Now N/A

21. Achromatic and Apochromatic are terms that describe how much chromatic aberration a refractor telescope or lens suffers from

22. ‘Apolar’ is the Russian way of saying that it’s an apochromat – a refractor that corrects for colour fringing known as chromatic aberration

23. Difference Between Apochromatic and Achromatic Telescopes Achromatic refractors bend light at slightly different angles as it passes through a glass lens

24. An Apochromatic refractor will perform much better in terms of photography than its less expensive achromat counterpart

25. From the Manufacturer Versatile triplet Apochromatic refractor telescope featuring ED (extra-low dispersion) glass for exceptional resolution devoid of aberrations