Pentax XF Zoom - 1.25" Eyepiece with 6.5 to 19.5 mm Focal Length
This eyepiece, suitable for binoviewers, combines very good sharpness and high contrast in the entire field with a comfortable viewing position.
6.5 bis 19.5 mm focal length 60° (at 6.5 mm) to 42° (at 19.5 mm) apparent field of view Practical eye relief from 15 to 11 mm Narrow design, also suitable for binoviewers Very high contrast due to the famous SMC coating and blackening of lens edges as well as inner metall surfaces
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Pentax XV zoom eyepiece 6.5 to 19.5 mm, with up to 60° field of view and suitable for binoviewers
The Pentax XF Zoom eyepiece provides magnification of 20 to 60 times with the PENTAX 65 mm spotting scopes, an apparent field of view of 42 to 60 degrees, and an eye relief of 11 mm to 15 mm. Designed for use with Pentax brand spotting scopes and with astronomical telescopes with appropriate 1 1/4" focuser.
With a focal length range of 6.5 to 19.5 mm, the powerful Pentax XF zoom eyepiece is also very suitable for planetary and lunar observation with astronomical telescopes. Together with a long focal length overview eyepiece, you can cover almost all useful magnifications.
General features of Pentax XF eyepieces
Pentax XF eyepieces offer high-index, low-dispersion lanthanum glass elements to provide high-resolution images with minimal aberrations. Ideal for observation and photography of planets. PENTAX-original smc full-surface multi-layer coated optics reduce glare while providing maximum light transmission and color quality. Advanced computer simulation design technology was developed to reduce internal reflections, producing brighter, clearer images.
Features of Pentax XF eyepieces
Maximum definition and contrast:
The use of special ED (lanthanum) glass, blackening of the entire interior and all lens edges to prevent reflections, contributes to the achievement of this goal in the XF eyepieces, as does the SMC multicoating, which is undisputedly one of the best on the market.
Eye relief 11 - 15 mm:
An important characteristic of a true all-around eyepiece is the eye relief. Even inexperienced observers will immediately get a good image with this eyepiece. That is why we like to recommend these eyepieces for use on popular observatories.
Adjustable rubber eyeguard with click stop:
Adjust the distance of the rubber eyecup perfectly. Whether you observe with glasses or not, you will always have a comfortable view. The position of the rubber eyecup locks into place, then it cannot be adjusted unintentionally.
Use with binoviewers:
The slim design of the eyepieces and especially the calm viewing with the comfortable interpupillary distance make the XF eyepieces the best binoviewer eyepieces that we know.
Digiscopy:
After removing the rotating eyecup, the XF eyepieces provide a thread for adapter mounting. Fixed focal lengths have 30.5 mm diameter thread with a 0.5 mm pitch, while the zoom has 43 mm diameter thread with a 0.75 mm pitch.
Field of use:
The eyepieces can be used for all kinds of amateur astronomy and nature observation, such as binocular observation, planetary observation and deep-sky observation, but also for landscape observation and bird watching when maximum contrast is required with high quality spotting scopes with 1.25" connection.
Focal length: | 6.5 mm to 19.5 mm - stepless |
Apparent field of view: | 60° (at 6.5 mm) to 42° (at 19.5 mm) |
Eye relief: | 15 mm to 11 mm |
Optical design: | 6 elements (partly lanthanum glass) / 4 groups |
Coating: | SMC multicoating |
Lens edges: | Blackened |
Connection telescope side: | 1.25" with filter thread |
Connection eye-side: | Thread M43x0.75 under the eyecup |
Compatible with spotting scopes: | PF-65 and PF-65 ED II series, PF-80 series, PF-100 series |
Dimensions: | Height 90 mm, width 50 mm |
Weight: | 240 grams |
Manufacturer / Importeur: | Tele-Optic |
Street: | Adlerstraße 26 |
ZIP / City: | 48527 Nordhorn |
Country: | Germany |
Telefon number: | +49 5921 320644 |
Email: | kontakt@tele-optic.de |
Website: | www.sternenpark-havelland.de |
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