Made in USA
Optec Pyxis 3" I.D. Camera Field Rotator

SKU: OP17745 MFR: 17745

This item is no longer available.

Optec : Picture 1 regular

About Optec

The Optec Pyxis 3-inch Camera Field Rotator has a full 3 inches of clear aperture and is designed to hold large instrument packages without flexure or wobble. A 6-inch bronze worm gear and stainless worm rotate the center tube with a resolution of 0.01875 degree per step from the stepper motor. The operating software is very similar to the smaller Pyxis so that existing third party software is compatible. De-rotation of the field for long exposure images with alt-azimuth mounted telescope and rotation of the guide chip for SBIG camera to a suitable bright guide star are the two primary uses of this instrument. Power requirements and other operating conditions are similar to the 2-inch Pyxis model.

This model is large and heavy, and is intended for larger telescopes on observatory caliber mountings. The 2.4-inch thickness warrants telescopes that can accommodate this increase in the back focus distance. It uses the same telescope mounts and camera side adapters as the TCF-S3 - Optec's new 3-inch temperature compensating focuser.

The unit can only be controlled by a PC computer running the Optec PYXIS.exe control software or third party compatible software. Manual control is not possible. A flat wire serial cable is available for connection to a standard RS-232 interface COM port at 19.2K baud. Standard lengths and custom lengths up to 100 feet are possible. Cables and COM port adapters need to be ordered separately. A 12 VDC regulated power supply is included with 6-feet of low voltage cable terminating in a 2.5 mm power jack. The Optec PYXIS.exe (version 1.20 is required and available by 10-24-06) control software is included with the unit on a CD disk.

Optec Features

  • It has a full 3 inches of clear aperture and is designed to hold large instrument packages without flexture or wobble
  • A 6-inch bronze worm gear and stainless worm rotate the center tube with a resolution of 0.01875 degree per step from the stepper motor.
  • It is large and heavy and is intended for larger telescopes on observatory caliber mountings
  • The 2.4-inch thickness warrants telescopes that can accommodate this increase in the back focus distance

Optec Specifications

Main Gear Diameter
5.625 inches, 360 teeth double start, 64 pitch
Total Gear Reduction
960:01:00
Number of Steps for One Rotation
46080
Degrees for One Step
0.0078125° (0.46875 arc minutes)
Load Capacity
20 pounds maximum
Motor Type
Bipolar Stepper
Motor Voltage
12 VDC
Motor Steps for One Rotation
48
Motor Coil Resistance
40 ohms high torque motor with neodymium magnets
Microcontroller Type
PIC16F87
Microcontroller EPROM
4K x 14
Microcontroller RAM
368 x 8
Microcontroller I/O Lines
16
Microcontroller EEPROM
256 x 8
Microcontroller Operating Temperature
-40° to +80° C
Voltage
11.7 to 12.3 volts DC
Current
400 ma for high torque motor running
Fuse Protection
0.8 amp, PTC reset able
Dimensions
6.5 inches wide x 7.45 inches height and 2.4 inches thick without adapters
Clear Aperture
3.00 inches
Weight
4.5 pounds without adapters
Mfr #
17745
SKU
OP17745
top
Share this item:
Adorama.com is top rated for customer serviceHACKER SAFE certified sites prevent over 99.9% of hacker crime.
Feedback