Manufacturer: iOptron
Product number: C70A

EUR 3.690,00RRP EUR 4.169,00you save 11.5% (EUR 479,00)


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  • Details..
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New concept for more load capacity with less weight
iOptron has realized a new mount concept and thus improved the principle of "German type mount" once again. The result is remarkable. With a weight of only 13.6 kg (mount head), the CEM70 can carry telescopes up to almost 32 kg weight. This means that you can also use large telescopes with up to 12" aperture as mobile units.

An additional advantage is the latitude adjustment. This is considerably more massive and wider. As with the classic design, you can create 100% balance by using a counterweight and by moving the telescope in the mount.

The CEM70 is equipped with the electronic polar finder iPolar, which makes accurate polar alignment a breeze and provides the prerequisites for astrophotography.

With a tracking accuracy of +/- 3.5 arcseconds, which can be further improved by PPEC, astrophotography over longer exposure times is possible even with large telescopes. Of course you can control and further improve the tracking with suitable autoguiders.

Powerful control system
The CEM70 is equipped with the advanced GOTONOVA GoTo control system. The database contains 359.000 objects. The handheld controller is equipped with a large eight-line LCD screen for a better overview. The control is innovative and after a short time easy to use by everyone. Of course the mount and control offers all possibilities for astrophotography.

Downloads:
The manufacturer has manuals, software and drivers available for download, you can get them here.
Design:Center-balanced Equatorial Mount - modified "German" design
Load capacity:31.8 kg
Mount head weight:only 13.6 kg
Latitude adjustment range / working range:from 0° to 65° north/south latitude
Diameter RA and DEC worm wheel:151 mm / 248 teeth
Worm:diameter 55 mm (steel)
PEC and PPEC:Yes
PE:~ ±3.75 arc seconds P-P
Counterweight rod:D=28 mm / L=450 mm (material stainless steel)
Diameter of the mount base:150 mm
Motors:Stepper motors - accuracy 0.06 arc seconds
Speeds:1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX (~3.75°/sec)
Power consumption:0.6 A during tracking / 1.1 A during positioning
Power supply:12 V DC - 2 A
Polar finder:included in delivery - iPolar
Circular spirit level:built-in
Telescope connection:dual Vixen and Losmandy style saddle plate
Controller:GoToNova 8407+ hand controller with 359,000 objects
Behaviour at the meridian:Stop after 0-15° or flip
GPS:32 channels
Autoguiding interface:ST4 level for all common autoguiders
Interface:Serial interface
PC control:via ASCOM
1 Mount withour tripod or pier
Computer with all necessary cables
12 V Power Adaptor
Polar finder scope (already installed)
Counterweight
Manual
Aluminium transport case

Field report from a customer
Our customer Arndt Wolkenhauer has written a good testimonial:

"I ordered the CEM70 on Thursday, 04.08.22 and could unpack it on Saturday, 06.08.22! After I had the mount in use for the first time, I asked a question about the mount to Teleskop-Express to which I received an immediate response. Excellent, thank you very much for that!

The mount comes well stowed in a case and is neatly and solidly manufactured. Compared to the Celestron AVX used so far, both axes are stable and incredibly smooth - balancing is precise!

All necessary cables are connected directly to the saddle plate. Additional cables (network, additional power supply, ...) can be routed well through the "hollow" DEC axis - there are no "hanging" cables that could affect the tracking. The mount is controlled and guided via the USB port. I have also routed the cable through the DEC axis.

The adjustment screws for the polar alignment work "softly" and precisely, so that the alignment is achieved very well.

I cannot say anything about controlling with the hand controller, because I control the mount and the rest of the setups exclusively with the ASIAir Plus (with which I am also very satisfied, because I can do all tasks with it: PlateSolve, PolarAlign, GoTo, Guiding, control filter wheel and motor focus, image acquisition, MeridianFlip, ...). The only problem: The ASIAIR does not recognize the mount when it is connected directly via USB. Remedy, and this is currently also recommended by ZWO: Do not connect the mount directly via USB, but via a "powerless" USB hub in between - and this works perfectly.

The guiding succeeded on the first try! The photo shows the guiding process with the ASIAIR. Used as guiding camera is an ASI 178MC on a C8 EHD and off-axis guider at f/7 and a focal length of ~1477mm. No adjustments were made to the mount - polar alignment is certainly not perfect (only PolarAlign once with AISAIR), no PEC, ... The average deviations are RA~0.28" and DEC~0.22".




For comparison a screenshot of the corresponding image for guiding the Bubble Nebula (25.08.22). Used was C8 EHD + 0.7Reducer (f/7 at f~1477mm), imaging camera ASI533MC (Gain100, T=0°C), filter IDAS LPS-P3, exposure time=180s, pixel scale ~0.5"/pixel. No tracking errors are visible - the stars are round.












Conclusion:

I am satisfied with Teleskop-Express (as always).

I have absolutely no problems with the mount ... I am very glad that I chose this mount and would make this decision again at any time!

AstroWolke"


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