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Manufacturer: iOptron
Product number: C70A
EUR3350.00new
EUR 3.350,00
incl. 19 % VAT (DE)
The VAT indicated refers to that applicable in Germany. After logging in, the VAT amount is adjusted to the applicable VAT of the stored delivery country. Therefore, the final price may vary accordingly.
excl. 26.94 € shipping costs (DE)
more details to the shipping costs ...Please log in to calculate shipping costs to your country.
There are no reviews for this product
- Details..
- Technical data..
- In the box..
- Reviews..
- Manufacturer infos..
- Safety informations..
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 |
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"
| Manufacturer / Importeur: | Teleskop-Service Ransburg GmbH |
| Street: | Von-Myra-Str. 8 |
| ZIP / City: | 85599 Parsdorf |
| Country: | Germany |
| Telefon number: | +49 89 99228750 |
| Email: | info@teleskop-service.de |
| Website: | www.teleskop-service.de |
Safety informations: PDF Download
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Transport & Covers
Reviews
Written by Dr. Wolkenhauer
on 2022-08-27
"Ich habe die die CEM70 am Donnerstag, 04.08.22 bestellt und konnte sie am Samstag, 06.08.22 auspacken! Nachdem ich die Montierung das erste Mal im Einsatz hatte, stellte ich eine Frage zur Montierung an Teleskop-Express auf die ich umgehend Antwort erhielt. Hervorragend, Vielen Dank dafür! Die Montierung kommt gut verstaut in einem Koffer und ist ordentlich und solide verarbeitet. Im Vergleich zu der bisher verwendeten Celestron AVX sind beide Achsen stabil und unglaublich leichtgängig gelagert - das Ausbalancieren gelingt präzise! Alle notwendigen Kabel werden direkt an der Sattelplatte angeschlossen. Zusätzliche Kabel (Netzwerk, zusätzliche Stromversorgung, ?) lassen sich gut durch die ?hohle? DEC-Achse führen?es gibt keine ?hängenden? Kabel, die die Nachführung beeinflussen könnten. Gesteuert und geguidet wird die Montierung über den USB-Port. Das Kabel dazu habe ich auch durch die DEC-Achse gelegt. Die Einstellschrauben für das Polar Alignment arbeiten ?weich? und präzise, sodass das Einnorden sehr gut gelingt. Zur Steuerung mit dem Handcontroller kann ich nichts sagen, da ich die Montierung und die restlichen Aufbauten ausschließlich über die ASIAir Plus steuere (mit der ich auch sehr zufrieden bin, da ich damit alle Aufgaben erledigen kann: PlateSolve, PolarAlign, GoTo, Guiding, Steuerung Filterrad und Motorfokus, Bildaufnahme, MeridianFlip, ?). Einziges Problem: Die ASIAIR erkennt die Montierung nicht, wenn sie direkt per USB angeschlossen wird. Abhilfe, und das wird derzeit auch von ZWO empfohlen: Die Montierung nicht direkt per USB anschließen, sondern über einen ?stromlosen? USB-Hub dazwischen?und das funktioniert einwandfrei. Das Guiding gelang auf Anhieb! Das Foto zeigt den GuidingProzess mit der ASIAIR. Verwendet wird als Guidingkamera eine ASI 178MC an einem C8 EHD und Off-Axis-Guider bei f/7 und einer Brennweite von ~1477mm. Es wurden keine Einstellungen an der Montierung vorgenommen?die Polausrichtung ist sicherlich nicht perfekt (nur einmaliges PolarAlign mit AISAIR), kein PEC, ?.Die mittleren Abweichungen liegen bei RA~0,28?? und bei DEC~0,22?? Zum Vergleich ein Screenshot eines Einzelbildes der zugehörigen Aufnahme zum Guiding vom Blasennebel (25.08.22). Verwendet wurde C8 EHD + 0.7Reducer (f/7 bei f~1477mm), Aufnahmekamera ASI533MC (Gain100, T=0°C), Filter IDAS LPS-P3, Belichtungszeit=180s, Pixelmaßstab ~0,5??/Pixel. Es sind keine Nachführfehler zu erkennen?die Sterne sind rund. Fazit: Ich bin mit Teleskop-Express (wie immer) zufrieden. Mit der Montierung habe ich absolut keine Probleme? Ich bin sehr froh, dass ich mich für diese Montierung entschieden habe und würde diese Entscheidung auch jederzeit wieder treffen! *** "
