iOptron CEM25P Equatorial Mount w/ 2" Tripod and Hard Case

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IO-7102P-HC
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iOptron CEM25P Equatorial Mount w/ 2" Tripod and Hard Case

Mount Specs:
  • Mount: Center-Balanced Equatorial Mount
  • Payload : 27 lb (12.3kg), exclude counterweight
  • Mount weight: 10.4 lb (4.7kg)
  • Payload/Mount weight: 2.60
  • Periodic error (PEC): < ±10 arcsec
  • Right Ascension worm wheel: Φ88mm, 144 teeth aluminum
  • Declination worm wheel: Φ88mm, 144 teeth aluminum
  • Right Ascension axis shaft: Φ35mm steel
  • Declination axis shaft: Φ35mm steel
  • Right Ascension bearing: Φ55mm ball bearing
  • Declination bearing: Φ55mm ball bearing
  • Worm gears: Φ15.2mm, Brass
  • Motor drive: 1.8º stepper motor, 128X microdivision
  • Resolution: 0.17 arc seconds
  • Transmission: Synchronous belt
  • Latitude adjustment range: 0º ~ 60º
  • Azimuth adjustment range: ± 10º
  • GPS: Internal 32-channel GPS
  • Polar Scope: AccuAlign TM dark field illuminated
  • Level indicator: Level bubble
  • Hand Controller: Go2Nova® 8408 with 150,000+ objects database
  • PEC: Yes
  • Tracking: Automatic
  • Slew speed: 1 x, 2 x, 8 x,16 x,64 x, 128 x, 256 x, 512 x, MAX(4º/sec)
  • Power consumption: 0.35A(Tracking), 0.6A(GOTO)
  • Power requirement: 12V DC(9 ~ 15V), 1.5Amp
  • AC adapter: 100V ~ 240V (included)
  • Power-down memory: Yes
  • Serial port: Yes (on hand controller)
  • Autoguide port: Yes
  • Firmware upgrade: Yes
  • PC computer control: Yes (ASCOM)
  • Counterweight shaft: Φ20mm, Stainless Steel
  • Counterweight: 10.4 lb (4.7kg)
  • Tripod: 2" Stainless Steel(8kg)
  • Dovetail saddle: Spring loaded Vixen-style
  • Aluminum carrying Case: Yes (Included)
  • Operation temperature: -10ºC ~ 40ºC
  • Warranty: Two year limited

 

This center-balanced iOptron CEM25P Mount w/2 Inch Tripod with Hard Case is an upgrade to the CEM25 iOptron Mount, and neatly exceeds the previously established level of quality proven by that mount. It now boasts a guaranteed low periodic error of ~+/- 10 Arc seconds or less, without sacrificing any of the traits that made the original a great mount. This improved accuracy is a natural result of the advancement of the techniques used to manufacture the R.A. Gears of these mounts, as iOptron grows ever more skilled at crafting these splendid devices. The CEM25P also features larger gear switches on both axes - making access and adjustment easier- especially with light gloves on.

This mount's "Z" design places the payload weight at the center of mass, providing better natural balance. At only 10.4-pounds, the CEM25P is remarkably light given its 27-pound payload capacity. This comes in handy when having to set up at a remote location. Additional features include an adjustable counterweight bar to avoid interference with the tripod and polar alignment that is quick and available at all times since it's not impeded by the declination shaft.

The CEM25P is outfitted with the most advanced GoToNova's GoTo technology, making it one of the top GoTo mounts on the market in terms of power and accuracy. Its database features more than 59,000 objects. With its large 4-line LCD screen, the GoToNova controller is a user-friendly tool that streamlines the process of setting telescopes and finding objects in the night sky.

 

iOptron CEM25P Equatorial Mount Features: 

  • Recently designed Center-Balanced equatorial mount for large payloads with low mount weight
  • Perfect for novice as well as intermediate astrophotographers
  • Payload capacity of 27-pounds despite mount weight of only 10.4-pounds
  • Spring loaded gear system with user modifiable loading force
  • Gear switches on both R.A. and DEC axes for simple stabilization when disengaged
  • Alterable counterweight shaft for 0-degrees latitude application
  • Stepper motor with low power usage.
  • New electronics and control adapter from CEM60
  • iOptron AccuAlign calibrated polar scope with dark-field illumination and simple polar alignment process for quick and precise polar alignment
  • Polar alignment routine for observers who aren't able to see the Pole Star
  • Go2Nova- 8408 controller with Advanced GoToNova's GoTo Technology
  • ST-4 autoguiding port
  • Integrated 32-channel Global Positioning System (GPS)
  • Serial port for firmware upgrade and computer command
  • (1) 10-pound Counterweight
  • Spring loaded Vixen-style dovetail
  • Standard 2-Inch heavy-duty stainless steel tripod
  • Die-cast metal tripod spreader with accessory tray
  • Guaranteed Hyper low Period Error of -/+ 10 Arc Seconds or Less
  • Larger, easier to manipulate gear switches.
  • Hard Case



OPT Product Number: CE-7102P-HC

SPECIFICATIONS

ComputerizedComputerized
Free ShippingYes
Head DesignGerman Equatorial
Instrument Capacity27 lbs
ManufactureriOptron

Customer Reviews

3.5 Based on 2 Reviews
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RG
11/10/2018
Raymond G.

Update to review given on 11/06

1) Before using the mount take the azimuth alignment stud and move it to the other position. This moves the tripod leg away from the polar scope for easier polar scope viewing. I had a difficult time getting my head to the polar eyepiece as the leg was in the way and there is not much room at that spot on the mount/tripod. 2) The aizmuth adjustment leaves much to be desired. You have to loosen the main tripod to mount screw to release tension on the azimuth screws. This causes the mount/tripod to shift when retightning the main screw. I had difficulty keeping the adjustment where I had it set, so the pole star setting was off kilter. The altitude adjuster has rather coarse threads, so it is touchy, but is much better than the azimuth adjuster. 3) I used the mount in 28 deg F weather: The motor worm screw/gear did not bind as the mount cooled. When adjusting the gear mesh, I left just a very slight amount of gap at room temp. When the mount reached the outdoors temp there was no gear gap at all, however the mount still slewed properly with no unusual noises. The hand box display was very SLOW to update and making it difficult to view. I wil need to add a box insulating sleeve or a small dew heater strip on the back to keep the box warmer. 4) Guiding worked fairly well, considering I had a 15mph gusting wind. +/- 2 arcsec swings from the wind. Either use small cross section scopes (refractors) or only use in a light wind. Balancing the mount was easy as I only had a 9lb load

RG
11/07/2018
Raymond G.
United States

Mount seems adequate, 2" tripod is not very rigid

After assembling the mount and tripod, I was unimpressed by the rigidity of the 2" tripod. One tripod leg extension sleeve was so loose I had to shim it with aluminum tape so that it slides better and fits snug when extended and tightened. Also, if using the tripod on a solid surface, the leg end rubber covered screw nubs need to be removed, as the tripod wiggles (if nudged or bumbed) with them on. If placing tripod on grass the nubs will help stabilize. I have not had a chance to actually use the mount because of poor weather. My overall impression is that the mount head and control box works properly (indoors test) and seem well made. Setting the worm gear tension can be touchy for proper goto head rotation movement without intermittant motor noises or excess gear slop. GPS works well, even indoors. Not sure if I can update this review after actually using this mount and testing guiding capabilities, but will do so if possible.