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iOptron CEM70 Mount Head with iPolar Scope
With precise GOTO pointing and accurate tracking, the iOptron CEM70EC is suitable for observers and imagers alike. It offers advanced operational features such as the internal iPolar electronic polar scope, easy lock drive gear engagement (with levers large enough to use with gloves), cable management, and much more.
Key Features
Additional Features
With precise GOTO pointing and accurate tracking, the iOptron CEM70EC is suitable for observers and imagers alike. It offers advanced operational features such as the internal iPolar electronic polar scope, easy lock drive gear engagement (with levers large enough to use with gloves), cable management, and much more.
Key Features
- Center-balanced equatorial mount (CEM) for maximum payload with natural stability
- Suitable for visual observation and astrophotography
- Payload of 70 lb with the mount weight of 30 lb
- Easy-to-use gear clutches
- Precision altitude and azimuth adjustment
- Precision stepper motor with 0.07 arcsec accuracy for precise GOTO and accurate tracking
- iPolar electronic polar scope
- Go2Nova 8410 controller with Advanced GOTONOVA GOTO Technology with a built-in heater
- High-precision tracking with low periodic error (PE) <3.5 arcsec rms)
- Permanent periodic error correction (RPEC)
- 32-channel GPS
- Built-in Wi-Fi for remote operation
- USB 3.0 powered connection
- Integrated ST-4 autoguiding port
- Advanced cable management system
- Spring-loaded 8 Vixen/Losmandy dual saddle
- TheSky Imaging Edition software for Windows and macOS
Additional Features
- 2.33 payload/mount weight ratio
- All-metal construction
- Azimuth adjustment: ± 4°
- Right Ascension worm wheel: 151mm diameter, 248 teeth
- Declination worm wheel: 151mm diameter, 248 teeth
- Worm: 21.2mm diameter
- Right Ascension axle: 55mm diameter, steel
- Declination axle: 55mm diameter, steel
- Right Ascension bearings: 80mm diameter
- Declination bearings: 80mm diameter
- Mount base size: 152mm diameter
- Precision stepper motor (128 micro-step)
JBL Tune Buds Specs
Headphone
| Earpiece Design | Earbud (Intra-Concha), Closed-Back |
| Driver Type | Dynamic |
| Number of Drivers | 1, per Earpiece |
| Driver Size | 0.4" / 10 mm |
| Impedance | 32 Ohms |
| Active Noise Cancellation | Yes |
| Controls/Microphone Location | Controls: Earpiece (Side Unspecified) Microphone: Earpiece (Side Unspecified) |
| Mobile App Compatible | Yes: Android & iOS App Name: JBL Headphones App Functionality: Adjust Settings, Remote Control, Setup *As of April, 2023: Check with manufacturer for the most up-to-date compatibility |
Performance
| Frequency Response | 20 Hz to 20 Hz |
| Sensitivity | 101 dB SPL at 1 kHz |
| Maximum Sound Pressure Level (SPL) | 93 dB |
| Number of Voice Mics | 4 |
| Noise Canceling | No |
| Sensitivity | -38 dBV/Pa |
| Wireless Modulation | Bluetooth: 8DPSK, GFSK, TT/4 DQPSK |
| Bluetooth | 5.3 |
| Bluetooth Profiles | A2DP 1.3, AVRCP 1.6, HFP 1.8 |
| Frequency | Bluetooth: 2.4 GHz (2.4 to 2.4835 GHz) |
| Bluetooth Transmitter Power | 11 dBm |
| NFC | No |
| Battery Chemistry | Lithium-Ion Polymer (LiPo) |
| Capacity (mAh) | 70 mAh |
| Runtime | 12 Hours (BT) 10 Hours (BT+ANC) 6.6 Hours (Talk) |
| Quick Charging Times | 15 Minutes for 4 Hours |
| Recharge Time | 2 Hours |
| DC Input Power | 5 VDC at 1 A |
| Wireless Charging | None |
| Charging Port | USB-C |
Charging Case
| Additional Runtime | 36 Hours (BT) |
| Battery Chemistry | Lithium-Ion Polymer (LiPo) |
| Capacity | 750 mAh |
| Recharge Time | 2 Hours |
| Charging Interface | USB-C |
| Operating Temperature | 77°F / 45°C |
| Color | White |
| Weight | Earphones: 0.4 oz / 10.8 g |
Packaging Info
| Package Weight | 0.36 lb |
| Box Dimensions (LxWxH) | 7 x 4.1 x 2.15" |
In the Box
- iOptron CEM70 Mount Head with iPolar Scope
- Hard Case
- Set of Accessories
- Counterweight (21 lb)
- AC Adapter
- 2-Year Manufacturer Warranty
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