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TS-Optics APO Refractor 140/910 mm Ingrandisci

TS-Optics APO Refractor 140/910 mm

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TS PHOTOLINE 140 mm f/6.5 Triplet Apochromat for observing and astrophotography - high quality triplet lens from Japanese production

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TSAPO140JP

Disponibilità 3-4 gg lavorativi+ tempo di trasporto

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5 493,00 €

SCONTO 550,00 €

4 943,00 € 4943 EUR 2024-04-28

-550,00 €

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Codice articolo: TSAPO140JP

TS PHOTOLINE 140 mm f/6.5 Triplet Apochromat for observing and astrophotography - high quality triplet lens from Japanese production

 TS PHOTOLINE 140 mm f/6.5 Triplet Apochromat for observing and astrophotography - high quality triplet lens from Japanese production [EN]

 TS PHOTOLINE 140 mm f/6.5 Triplet Apochromat for observing and astrophotography - high quality triplet lens from Japanese production [EN]
♦ Aperture 140 mm / focal length 910 mm / focal ratio f/6.5

♦ Multi-coated 3-element lens with FCD100 APO element (similar to FPL53) from Hoya (Japan) for a color-pure image

♦ The lens including mount is manufactured in Japan

 

TS 140mm FDC100 Triplet APO - Lens from Japan

The color-pure apo from the Photoline series convinces with a color-pure image and solid mechanics. The apo is suitable for observation and astrophotography. Especially for astrophotography the 0,92x image field corrector was developed.

The optics achieves a high level imaging

he Apo shows you lunar craters or planets without color errors with a contrast only a refractor can do. But also bright stars are imaged without disturbing color fringes. The reason is the high quality triplet lens with the special glass FCD100 from Hoya in Japan. This glass corresponds in correction to the well-known FPL53.

The air-gap triplet lens is mounted in a stable, temperature-compensated mount. The complete mount can be adjusted with tension and compression screws. Thus, collimation is not done by lateral pressure on the lenses, making it much more accurate and better for imaging.

 

 TS PHOTOLINE 140 mm f/6.5 Triplet Apochromat for observing and astrophotography - high quality triplet lens from Japanese production [EN]

More information on Hoya´s FCD100 APO element:

FCD100 is an ultra-low dispersion optical glass equivalent to fluorite (CaF2). With this glass, in combination with high refractive index optical glasses, excellent chromatic aberration (color error) correction can be achieved. The difference in dispersion performance to FPL53, for example, is less relevant than the difference in how well the optics are polished. FCD100 is Hoya´s name for this special glass, just as FPL53 is Ohara´s proprietary name.

 

Aperture:140 mm
Focal length:910 mm
Focal ratio:f/6.5
Objective type:Triplet with air gap
Special glass:FDC100 from Hoya as APO Elemant
Focuser:3.5" RAP with M63x1 female thread

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