Explore Scientific ED APO 80 mm FCD-100 ALU HEX teleszkóp

Highly corrected 80mm air-spaced triplet apochromat (with three lenses) and aluminium tube and a 2.5" high-precision Hexafoc focuser. Apochromats are the ultimate choice in small to medium sized telescopes: the combination of compactness, transportability, very high image contrast and sharpness together with the possibility to make excellent astrophotos cannot be bested. The advances in glass manufacturing during the last few years have made true apochromats available to more astronomy enthusiasts than ever before. Explore Scientific FCD-100 Alu Hex represents another major improvement in this field – the overall correction (color and spherical) is setting new standards in this price class. The optical design shows a polystrehl value of 0.97 indicating a level of correction that is absolutely top of the line. This small excellent apochromat is a very versatile telescope: the fast f-ratio makes short exposure times possible. The high contrast and sharpness of the image provide breathtaking views of large objects like the North America nebula or the Andromeda galaxy as well as tack sharp planetary images. The telescope is lightweight and compact – the dew shield slides down the tube to minimize size for transportation. Revolutionary glass and precision manufacturing created a telescope that offers observing joy on the highest level. This does not only qualify this telescope as the ideal travel scope, it is also the perfect choice for fast observations and for astrophotography. The excellent 2.5" Hexafoc focuser with 10:1 reduction is perfect for this – the large inner diameter of 65mm prevents vignetting by the focuser when the telescope is used for astrophotography with large sensors. Features: Three lens apochromat with two air spaces Hoya FCD-100 glass for maximal color fidelity High-end 2.5" Hexafoc 10:1 deluxe focuser 2" 99% diagonal included Extension tubes for focuser (2pcs) Dew-shield slides onto tube for easy transport Tube with rotatable 44mm universal dovetail (fits Super/Great Polaris, EQ5, LXD75, EXOS-II) The kit includes: Optical tube with retractable dew-shield 2.5" Hex focuser with 1:10 gear reduction 2" star diagonal 99% reflectivity Universal dovetail – GP level Dust caps for front-lens and focuser Universal finder slot MárkaExplore ScientificSzavatosság2 годаEAN4007922030937A csomag méretei (HxSzxM):32x13x14 cmSzállítási súly2.6 kgOptikai kialakításrefraktorOptikai rendszer3-elemű apokromátOptikai elemek anyagaED (extra-alacsony szórású üveg)Optikai bevonatteljesen és több rétegben bevonatoltObjektívlencse átmérője (rekesznyílás), mm80Fókusztávolság, mm480Legkisebb gyakorlati nagyítás, x20Legnagyobb gyakorlati nagyítás, x160Rekesznyílásf/6Felbontási küszöbérték, ívmásodperc1.45Szemlencsetubus átmérője, hüvelyk2Fókusz-állító2,5" Hexafoc, 2-fokozatú (10:1)Fecskefarkú illesztésyesOptikai tubus anyagaalumíniumOptikai tubus átmérője, mm381-478Felhasználói szintgyakorlott felhasználók, szakemberekMegfigyelt objektuma Naprendszer bolygói és mélyég-objektumok