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TSP4

TS Optics

TS-Optics 1.25" Plössl Eyepiece - 4 mm focal length, 50° apparent field of view

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TSP4

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26,90 € 26.9 EUR

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  • TS 1.25" Plössl Eyepiece - 4 mm focal length, 50° apparent field of view

  • Special offer from Teleskop Service - a powerful 4 mm Plössl eyepiece with coated optics
  • ♦ Focal length: 4 mm
  • ♦ SApparent field of view: 50°
  • ♦ Well manufactured 4-element lens design, fully coated for more contrast
  • ♦ Body made of metal, rubber riffle for better grip
  • ♦ Foldable rubber eyecup against stray light from the side
  • ♦ 1.25" metal barrel with filter thread - no tilting possible, as there is no safety notch

 

 TS-Optics 1.25" Plössl Eyepiece - 4 mm focal length, 50° apparent field of view [EN]

A good Plössl eyepiece outperforms a simple Kellner. Through bulk purchase, we can offer this type of eyepiece at a price for which you would get only more simple eyepieces elsewhere. Nevertheless, the features are quite impressive.

The 4 mm Plössl is a good planetary eyepiece for telescopes with f/8 and faster.

Areas of application of Plössl eyepieces:
Through the four-element design, the Plössl is a true all-rouder. It does not introduce an additional chromatic aberration to the system, in opposite to more simple eyepieces with fewer elements. As a consequence, these eyepieces can be very well used for observing moon and planets with higher magnifications.

At lower magnifications, Plössl eyepieces are well suited for observing nebulae, star clusters and galaxies, they convince with a field of view relatively free of distortion.

Astrophotographers can also work well with Plössl eyepieces, as they are well suited for eyepiece projection. The MgF2 coating prevents disturbing reflections and provide good contrast.

However, many projection adapters are too narrow for the Plössl eyepieces with 32 or 40 mm focal length.

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