iOptron CEM25P Equatorial GoTo Mount (1.75" LiteRoc Tripod, Hard Case)

BH #IO7103PHC • MFR #7103P-HC
iOptron CEM25P Equatorial GoTo Mount (1.75" LiteRoc Tripod, Hard Case)
Key Features
  • Motorized Computer-Controlled EQ Mount
  • 128x Microdivision Stepper Motor
  • Go2Nova 8408 Computer Controller
  • 150,000+ Object Database
With improved tracking accuracy thanks to its new low periodic error of less than ±10 arcsec, larger gear switches on both axes to make access and adjustments easier, and a lighter tripod, the iOptron CEM25P Equatorial GoTo Mount makes an ideal mount for most astronomy and astrophotography needs—especially if you're setting up in remote locations and need to carry your gear. This version of the CEM25P mount comes with a hard carrying case to protect it during transport and storage.
Special Order
Expected availability: 7-14 business days
$1,048.00

iOptron CEM25P Equatorial GoTo Mount (1.75" LiteRoc Tripod, Hard Case)

iOptron CEM25P Overview

  • 1Description
  • 2Mount
  • 3Motors and Gears
  • 4Go2Nova 8408 Hand Controller
  • 5AccuAlign Polar Scope
  • 6Carry Case

With improved tracking accuracy thanks to its new low periodic error of less than ±10 arcsec, larger gear switches on both axes to make access and adjustments easier, and a lighter tripod, the iOptron CEM25P Equatorial GoTo Mount makes an ideal mount for most astronomy and astrophotography needs—especially if you're setting up in remote locations and need to carry your gear. This version of the CEM25P mount comes with a hard carrying case to protect it during transport and storage.

It includes the motorized mount, the Go2Nova 8408 computer hand controller, a 1.75" stainless tripod, and the AccuAlign illuminated polar scope. Its built-in 32-channel GPS receiver transmits accurate date, location, and time to the hand controller, so when you change your position, the telescope can be set up quickly with accurate information. Even with its highly accurate tracking ability and low periodic error, the CEM25P has the capability for you to program out the remaining periodic error common to all worm gears. Its maximum payload capacity of up to 27 pounds makes this mount ideal for most medium-to-large refractor, reflector, or catadioptric optical tube assemblies (OTAs) with Vixen-style dovetail plates, while still being able to handle imaging rigs. The included LiteRoc tripod has 1.75" upper and 1.5" lower leg sections, providing the stability and strength of iOptron's 2" field tripod but at a lower weight for easier carrying. Its leg cuffs, sockets, and lever locks are also improved to provide better rigidity and clamping, resulting in better overall performance.

The stepper motor and belt drive transmission is controlled by the Go2Nova hand controller. This system has an internal database of 150,000+ celestial objects, multiple alignment assistance procedures, and updatable firmware through the built-in serial port. With nine slew speeds and automatic tracking capabilities, finding and keeping objects centered in the field of view is easy whether you're viewing the fast-moving Moon or much slower deep-space subjects.

Mount

  • German equatorial design for smoother and more accurate tracking
  • Center-balanced "Z" design: Weight is placed over the center of gravity for greater stability, smoother movement, quieter running, and more efficient GoTo tracking to use less energy
  • 27-pound payload capacity, excluding included counterweight
  • 0-60° latitude; ±10° azimuth adjustment range
  • Built-in 32-channel GPS receiver for accurate day, date, time, and location information
  • Spring-loaded Vixen-style dovetail saddle
  • Adjustable polar alignment even during tracking
  • Retractable counterweight bar prevents obstruction by the tripod; 20mm diameter accepts any compatible weights
  • Includes 10.4-pound counterweight
  • Integrated bubble level
  • Works in the Northern and Southern Hemispheres
  • LiteRoc stainless steel tripod with 1.75" upper and 1.5" lower leg sections provides the stability of a 2" tripod but with a lower weight

Motors and Gears

  • Improved periodic error over previous model, reduced to less than ±10 arcsec, resulting in more precise long-duration tracking
  • Synchronous belt transmission improves tracking accuracy, with reduced vibration, especially with heavy loads
  • 1.8° stepper motor with 128x microdivision
  • 88mm, 144-tooth aluminum right ascension (RA) and declination (dec) worm wheels
  • 15.2mm brass worm gears
  • 55mm RA and declination ball bearings provide smooth movement with minimal vibration
  • 35mm steel RA and declination axis shafts
  • RA and declination gear switches release the gears for balancing OTA
  • Gear tension adjustment eliminates play in gears
  • Resolution: 0.17 arcsec
  • Runs on included 110-240 VAC power adapter

Go2Nova 8408 Hand Controller

  • 150,000+ object database
  • Multiple alignment procedures, including one for users who cannot see Polaris, including Pole-star, One-star, Two-star, Three-star, Polar, Solar system
  • Slew speeds: 1x, 2x, 8x, 16x, 64x, 128x, 256x, 512x, 6°/sec (Max); Quiet mode
  • Real-time Periodic Error Correction (PEC) eliminates tracking errors for long-exposure astrophotography
  • Tracking rates: Sidereal, Lunar, Solar, King's, user-defined from 0.99x to 1.01x of Sidereal
  • Track Below Horizon option allows mount to track objects below the horizon that are still visible, such as when observing from a hill or rooftop/balcony
  • Computer control with planetarium software via integrated autoguiding port
  • Adjustable key and display brightness
  • Control for optional electronic focuser
  • Control optional illuminated polar scope light intensity
  • Fully compatible with mount's integrated GPS module to automatically determine day, date, time, location
  • 4-line/21-character LCD screen; backlit 18-button user interface
    Database details:
    • Solar system: 9 objects, including the Sun, Moon, and planets
    • Named objects: 60 deep-sky objects with their common names
    • Messier catalog: 110 objects
    • NGC catalog: 7840 objects
    • IC catalog: 5386 objects
    • UGC catalog: 12,921 objects
    • Caldwell catalog: 109 objects
    • Abell catalog: 4076 objects
    • Herschel catalog: 400 objects
    • Named stars: 259 stars with their common names
    • Double/multi stars: 208 binary stars
    • Hipparcos catalog: 120,404 stars
    • 88 modern constellations with their names
    • 15 comets
    • 116 asteroids
    • 60 user-defined objects, including comets

AccuAlign Polar Scope

  • For accurate and fast polar alignment
  • Dark-field illuminated dial
  • Red LED illumination
  • Polar scope is not blocked by the dec shaft, allowing for re-alignment while mount is running

Carry Case

  • Designed to hold the mount head, hand controller, and accessories
  • Custom-cut interior foam cushions the head during transport
  • Hard exterior with reinforced corners and edges to help protect from impacts
  • Ergonomic hinged carry handle
  • Dual metal latches

iOptron CEM25P Specs

Mount
Mount TypeMotorized; German Equatorial
GoTo CapabilityYes, Go2Nova 8408
Payload Capacity27 lb / 12.3 kg (without Counterweight)
MotorDual Axis
Tracking RatesKing, Lunar, Sidereal, Solar, User
Latitude Adjustment0 to 60°
Counterweight1 x 10.4 lb / 4.7 kg
Polar Axis ScopeYes (Built In)
Tripod
Leg Diameter1.75" / 4.45 cm
Leg Sections2
MaterialsStainless Steel
Environmental
Operating Temperature14 to 104°F / -10 to 40°C
General
Adapter12 VDC (Included)
Mounting SystemVixen Style
GPSYes, 32 Channels
Wi-FiNone
Dimensions12 x 11 x 6" / 15.2 x 27.9 x 30.1 cm (Mount)
Weight10.4 lb / 4.7 kg (Mount)
11 lb / 5 kg (Tripod)
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