TSZ7-DEL
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TS-Optics 1.25" Zoom Deluxe Eyepiece 7-21 mm - 6 Element Design
TS-Optics 1.25" Zoom Deluxe Eyepiece 7-21 mm - 6 Element Design
Codice articolo: TSZ7-DEL
The TS 7-21 mm Deluxe zoom eyepiece offers improved sharpness and particularly good viewing performance.
♦ Focal length 7 mm to 21 mm - stepless adjustment
♦ Precise and sensitive adjustment of magnification
♦ sharpness and contrast like a Plössl eyepiece, but with better viewing characteristics
♦ 6-element design for even better sharpness in the field
♦ 1.25" barrel with filter thread
♦ Long eye relief of 20 mm - also suitable for eyeglass wearers (foldable eyecup)
♦ Dust caps for telescope and eyepiece side included in delivery
TS-Optics 7-21 mm Deluxe Zoom Eyepiece for Observation
This zoom eyepiece combines the advantages of variable magnification with the advantages of a good planetary eyepiece. The eyepiece offers a very good viewing characteristics throughout the entire magnification range and is also well suited for beginners. The focal length can be adjusted smoothly and stays well at the selected position. The rubber eyecup can be easily folded down. This also makes observation with glasses possible.The field of view can be easily viewed at any magnification level.
This zoom eyepiece replaces three fixed focal length eyepieces and offers even more.The focal length of 7 mm makes the zoom eyepiece a good planetary eyepiece with comfortable viewing characteristics.
The medium focal length around 13 mm gives a good overview for lunar observation and is also very good for compact brighter deep sky objects, like planetary nebulae or globular clusters.
The longest focal length at 21 mm turns the zoom eyepiece into an overview eyepiece. More extended celestial objects like open star clusters, gas nebulae and larger galaxies can be observed.
Type: Zoom eyepiece
Focal length: 7 mm to 21 mm continuously adjustable
Apparent field of view: 50° at 7 mm - 40° at 21 mm
Barrel: 1.25" with filter thread
Number of lenses: 6
Coating: Multi-coating on each glass-air surface
Eye relief: 20 mm