The EM-11 is a very compact and transportable German equatorial mount, with a maximum loading capacity of 9 kg. The serious amateur will reserve it for OTAs weighting up to 6 kg, such as the TSA-102, Mewlon-180 or Maksutov-Cassegrain of 150mm diameter, in order to take advantage of the effectiveness of a mount oversizing. The tracking accuracy of the EM-11 thus gives its best in using OTAs until their limits in imagery. The EM-11 becomes, in this case, a compact and efficiency EQ mount with an excellent transportability/performances ratio, adapted to the itinerant amateur.
At first glance, the EM-11 looks like a small EM-200. Indeed, it features many of its convivial aspects, and particurarly the same ergonomic design : simplicity and usability . The user needs only very little time to understand and control the EM-11 EQ mount.
Two cables are enough for its use for visual purposes (power and handbox). The total integration of stepped motors in the mount structure simplifies the adjustments and reduces maintenance to the minimum.
EM-11 mount owns the same handbox which equips the other Takahashi models, with the usual capabilities : a speed control switch (fast or normal speeds with green/red LED), a slewing reverser in R.A. and DEC. and the four R.A./DEC. traditional buttons.
The EM-11 polar finder, fully integrated in factory and fool-proof, allows a fine polar alignment in a few minutes only. It is calibrated with a built-in ring level and its reticle is illuminated by an internal LED whose intensity is adjustable from the control panel. As on the JP-Z and the EM-500 mounts, a provided graph gives assistance to find the position of Polaris in real-time. You can however obtain more precision on its position with a specialized software (as PolarisFinder, for instance).
Includes software, cables and ONE 3.5 Kg counterweight (p/n TCW0180) and counterweight shaft.
Specifications:
Drive System:
Dual aces, quartz control, driving frequency: 100pps N/S,Star/Sun switching by hand controller
Usable Area:
All over the world, but with limit for the latitude
High Speed Drive
250X at DC12V
Correcting Speed
RA: 0.1 ~ 1.9x to the sidereal rate by 0.1x increments
Mode indicator
High Speed operation - red light
Power Source
DC12V
Power Consumption
DC12V: 0.3/1.3A(1.7A) sidereal/high speed(start)
Go-To Operation
By a PC or Takahashi hand controller (THC)
Go-To Disc
Pegasus 21
Accessory
RS232C cable or RJ-11 cable
Operational Temperature
-5 ~ +30ºC
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