iOptron Mount CEM40-EC GoTo High Precision Encoder with Tripod

 

The mount head weighs only 8.2 kg, yet can support a payload of up to 18 kg. This extremly good payload to weight ratio of 2.5 makes the CEM40 versatile. You can carry it to your favoriert place under a dark sky or at your backyard observatory with a relatively small pier.

But there are more advantages:

• An integrated electronic polar finder scope (iPolar) ensures accurate alignment even at times when the pole star is obscured.
• Large levers on its quick-lock drive engagement system make it easy to snap its gears into place even when wearing gloves.
• There's little chance of your cables getting snagged with the CEM40's internal cable management system.
• The mount comes with the new Universal Self-Centering Saddle for Losmandy and Vixen style dovetails.
• The CNC body looks sharp but is really robust.

 

The GoTo-Technology features a Go2Nova 8407+ controller with integrated heater for its large display, a 212,000 object library, integrated 32-channel-GPS and ST-4 auto guiding port.

Another great feature besides the center-balance is the ultra-quiet low power consumption stepper motor drive systems. Both models of the CEM40 are precise trackers, the CEM40-EC version delivering <0.25 arcsecond accuracy with its high-resolution encoder and its real time periodic error correction (RPEC).

The CEM40 is a extremly versatile and advanced mount.

 

With or without encoder: The mount is available in two versions, both of which track your optics precisely in the night sky. The variant with high-resolution encoders (EC) on both axes achieves an accuracy of less than 0.25 angular seconds and corrects the periodic screw error in real time! As a result, guiding is no longer necessary in astrophotography.


 

SPECIFICATIONS

Capacity

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Max. additional load capacity (kg)
18
Counterweight(s) (piece)
1 (4,5kg)
Interfaces
USB
Language
English
Polar elevation setting (°)
0 - 60
Mounting saddle
Losmandy & Vixen
DEC ball bearings diameter (mm)
68
RA ball bearings diameter (mm)
68
DEC worm gear diameter (mm)
110
RA worm gear diameter (mm)
110
Worm gear teeth (DEC) (piece)
216
Worm gear teeth (RA) (piece)
216
DEC worm shaft diameter (mm)
17
RA worm shaft diameter (mm)
17
RA axis diameter (mm)
45
DEC axis diameter (mm)
45
Diameter of counterweight bar (mm)
28
Long counterweight rod (mm)
410
Weight mount head only (kg)
8,2
Slow-motion azimuth adjustment (°)
+/- 6
Input voltage
12
Amperage (A)
5
Motor type
Stepper motors (1.8°/128 micro-steps)
Cable-guide
external
Encoder
yes
declination axis material
Steel
right ascension axis material
Steel
Material of worm wheel
Aluminium
Material of worm gear
Brass

Special features

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GoTo system
yes
Handcontroller
yes
Level
yes

Equipment

---

Tripod

Tripod
Transport cases
yes
Pole finder
yes

Tripod

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Tripod leg diameter (mm)
38
Tripod material
Steel

General

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Series
CEM
Type
Mount
Type of build
Equatorial

GoTo control

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Precision
< 0,25
GPS
yes
WIFI
optional
PEC correction
yes
Polar Alignment
iPolar
GoTo Language
English
Software
Go2Nova 8407
Autoguiding
yes
Interfaces
Autoguider, USB
Database
212.000