z | 17 |
OPTIONAL ACCESSORIES |
The Meade #126 2x Barlow lens is an achromatic, high- performance,
#825 8 x 25mm
permits a comfortable 90° viewing position with 90mm ETX models as well. The #825 fits into the same bracket as the 8x21mm viewfinder sup- plied with
location and a helicoid mechanism allows precise focusing.
#64
#880 and #881 Table Tripods:
#1422
NOTE:The
#883 Deluxe Field Tripod: Manufactured of strong, lightweight extruded aluminum, the #883 Deluxe Field Tripod (Fig. 29) allows standing or seated observations through both ETX models. Tripod height is continuously adjustable from 34” to 54”. Micrometric controls in both azimuth and
CHAPTER
5
5
4
1
2
3
Fig.28: Example of astronomical photography using the #880 Table Tripod with an
(2)Standard tripod leg; (3) Fixed tripod legs;
(4)Balance weight; (5)
Each table tripod includes two fixed legs and two
Two identical fixed tripod legs (3, Fig. 28) mount to holes on the side of the drive base. The adjustable standard tripod leg (2, Fig. 28), with its two latitude scales, is mounted to one of two holes on the bottom of the drive base. It permits the telescope to be polar aligned for latitudes between 22° and 48.5°
Fig. 29: The #883 Deluxe Field Tripod shown with an ETX- 90EC Astro Telescope, set up in the Alt/Az configuration (tripod head locked at 90°), for terrestrial applications. (Inset) Tripod head tilted for polar alignment.
Designed exclusively for both ETX model telescopes, the #883 Deluxe Field Tripod includes all the rigidity and stability required for
#932 45° Erecting Prism: All ETXmodels include an internal