With teleextenders it is possible to extend the effective focal length
of a telescope system, resulting in higher magnification for the
observation of the moon, the planets or small Deep-Sky objects with the
same eyepieces. So you can use the advantages of eyepieces with longer
focal length - such as the bigger eye distance and the more relaxed
observing comfort - at high magnifications also.
These teleextenders
incorporate a telecentric optical design that deliveres a excellent
image sharpness over the whole field of view and are premium choices for
visual observations and astrophotography. The combination of excellent
fully multicoating with superior optical design makes the Focal
Extenders superior to classic Barlow lenses.
Features: - Suitable for visual observations and astrophotography
- Doubling the effective total focal length of the telescope
- Four lens telecentric design
- Fully multicoated
- Filter thread for color or nebula filters
Brand New O.E. Explore Scientific
*Shipped by TNT International Express*