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Pegasus Astro Motor Focus Kit v2 (Universal) - PEG-MFKv2-UNIV
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Accessory
PEG-MFKv2-UNIV
Focus accurate and fast with your telescope using our powerful Motor Focus Kit v2. This high resolution geared box has a 0,06 degree step size can can easily lift more than 6 Kg (per cm). Its high torque is suitable for lifting heavy imaging equipment. Moreover motor’s gearbox has a low backlash which can easily tuned using backlash compensation in imaging software. The RJ45 socket can be converted to compatible Robofocus Pinout.
Note: You will also need a motor controller to drive the motor.
Products that can drive the Motor Focus Kit areDual Motor Focus Controller
Ultimate Powerbox v1 and V2
eXternal Motor Controller
Universal L Shaped Bracket (Black Anodization)
We have redesigned the L shaped bracket to easily fit onto most focusers in the market.
The lower part of the redesigned bracket can be replaced with a slimmer rail (included) for better compatibility with Newtonian and other low profile focuser.
This L shaped black anodized aluminum bracket, hard to bend, has cut rails and can be attached to a wide range of focusers.
In fact we have successfully installed it on:
Two rigid, L-shaped, black anodized aluminum brackets with cut rails for attaching to a wide range of focusers are included. One is a wide/universal bracket, and one is a narrow/Newtonian bracket to better fit Newtonian and other low-profile focusers. Below is a list of focusers this L-bracket has been successfully installed on:
- Orion Optics UK default focuser
- GSO (RC focuser)
- Takahashi (FSQ106, FSQ85, TSA102, TSA120, TOA130, FS60-CB)
- 2" and 2.5" Moonlite focusers
- Baader steel track
- Synta focuser refractors (Sky-Watcher Esprit 80ED, 100ED, 120ED, 150ED)
- Altair Astro (Full telescope series)
- 2", 2.5", 3", and 3.5" Starlight focusers
- Explore Scientific Refractor Focusers (Full telescope series)
- William Optics Refractors (Full telescope series)
What the Motor Focus Kit package includes:
- High Resolution Stepper Geared Motor Enclosure (Step Angle 7.5, Deg 120, Gear Ratio 1:120).
- Universal Black Anodized Aluminum L shaped bracket for Motor
- 6 x Solid Motor Couplers (3mm to 8mm)
- Different sizes (Pairs of M3x10, M4x10, M4x30 M5x10, M6x10, ) of metric screws and washers
- Four M3x6mm length screws (to attach the enclosure on the bracket)
Bellow photos show how to attach the motor on a Baader Steeltrack Focuser
Remove the plastic grub-screws (the do not have an actual usage) from the bottom of the Steeltrack Focuser.
Align the L shape bracket with the focuser and use the supplied screws, spacers to attach the L shape bracket as shown below.
We have successfully installed our motor on:
- Explore Scientific ED Series (ED80, ED102, ED127, ED152)
- Explore Scientific ED-FCD100 Series (ED80-FCD100, ED102-FCD100, ED127-FCD100)
- Explore Scientific FPL53 (ED140, ED115)
We have successfully installed our motor to:
Sky-Watcher Esprit Series (80 ED, 100ED, 120ED, 150ED).
You can also watch the following video for the Esprit 100 installation
Locate the set screw pointed with red arrow at below photo. Use a hex key tool to remove this set screw.
Remove the coarse knob
Use the supplied 5 to 6mm motor coupler and attach it to the focuser’s shaft.
Pass through your hex key tool into the small hole (pointed with red arow) and securely tighten the set screw of the motor coupler.
Turn using your hand the focuser knob to reveal the 2nd set screw of the coupler. Make sure to tighten both set screws very well.
Remove the two outer bolts using the hex key tool (check below photo).
You do not need these screws anymore. Keep them in a safe place.
Please note that the thumb screw of the finder holder collides with the motor L shape bracket so there are two options to avoid this.
a) Rotate the finder holder 180 degrees, as displayed below.
b) Detach and place the finder holder on the opposite side where there is a hidden screw thread under the label (as shown in the image below)
Place the motor on the bracket and align the motor shaft to the “already placed” motor coupler. Secure the motor with the bracket by tightening all 4 bolts.
Be sure to have the set screws of the motor coupler on top. This is required to allow you to have access to them by using the hex key tool. Do not tighten the coupler set screws of the motor side yet!
Use the longer supplied screws (M4x30mm) and spacers and use them to attach the L bracket on the focuser. Place these screws into the 3rd slot from the left of the bracket (check the photo below)
Do not fully tighten them yet!
Push the motor close to the telescope (as displayed below).
Tighten all set screws of the motor coupler
Please note that the brake clutch should not be used. Motor has a powerful gearbox which acts as a brake when motor is not rotating.
Tighten both large screws under your focuser
You are ready to focus!
We have installed the motor to all Starlight Feathertouch Focuser Series (from 2” to 3.5”).
Installation is very easy and the supplied bolts and spacers ensures that motor is securely attached on the focuser
Below photos are from a TEC140 with a 3.5” Starlight Focuser
Stellarvue 2″ focusers has a nice flat surface underneath. It is very easy to place the L shape bracket by removing the brake thumbscrew and use that thread to grab the bracket. One screw /washer is enough to hold the bracket in place. Motor has a powerful gearbox which acts as a brake so you will never need to engage this brake thumbscrew.
We have successfully installed our L shaped bracken on these Takahashi Focusers.
- Remove both knobs
- Remove the central bolt (the bolt on top of the focuser as shown at the image below)
- Use the 8mm motor coupler and attach it to the shaft of the focuser.
- Securely tight the two set screws of the motor coupler (on focuser’s side)
- Assemble the motor with the bracket but do not fully tight the 4 screws yet.
- Make sure that the motor can slide on the rails of the bracket
- Place the bracket on the telescope focuser and adjust (up or down) the motor to alligh the shaft with the motor coupler bore.
Use 1xM4 screw along with a washer to secure in place the L bracket.
It should look like the image below
- Now securely tight the 4 x allen silver screws of the motor
- Make sure to tighten the 2 set screws of the motor coupler (motor side)
You are ready to focus.
Below photos display how you can attach the motor to a Takahashi FSQ Focuser.
As the Takahashi Focuser has a flat surface it is very easy to use the long screws (supplied in the package) and replace two of the the stock Takahashi screws with these two in order to grab the motor onto the focuser.
* Please check below photos on how to attach the motor to a William Optics GT71 or a W.O. with a similar focuser
- Remove the brake thumbscrew pointed with red arrow
- Remove the coarse knob
- Align the bracket (place the 6th slot of the bracket on top of the brake hole) and use a bolt and a spacer to secure it in place (you will find different sizes of bolts/spacers in the box)
- Use the appropriate motor coupler from the 6 x motor coupler bag and connect motor shaft with focuser’s shaft. Make sure to tighten all coupler grub-screws.
Our optional Lens Kit (pulley and large size timing belt) allows the adaptation of our motor to a WO RedCat
Confused? What you can choose from:
| Step Angle (Deg) | 7.5 / 120 = 0.0625. 5755 steps per circle of rotation. (Gearbox reduction rate = 0.06255 Deg). 5755 steps per circle of rotation. (in full step drive) about 1 micron per step (in half step drive) Very low backlash (about 30 steps in half step drive) |
| Gear Ratio | 1:120 |
| Phases | 4 (Unipolar Motor) |
| Voltage | 12V DC |
| Current (A) | 0.27 |
| Pull-in Rate (PPS) | 400 |
| Pull-in Torque (N.cm) | 60 (100pps) |
| Weight | Stepper Motor, Universal L Shaped Adapter & Motor Coupler weight in total 350g |
- Male
- Female
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