Deep Sky Dad ZWO EAF Kit for Askar FMA135

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Deep Sky Dad ZWO EAF Kit for Askar FMA135

£147.00

(1 Review)

✓ 2 year warranty

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Frequently bought with this product:

	ZWO Electronic Automatic Focuser (EAF) 5V + £159.00
	Askar FMA135 135 mm f/4.5 ED APO Astrograph Lens + £284.00

About this product

Model: deepskydad_ask_fma135_eaf_kit
Part Number: ASK-FMA135-EAF-KIT

Focusing can be quite time consuming process even with a Bahtinov mask (especially with narrowband filters). Additionally, focus can shift with temperature change during the night. DSD have solved this with their special rods mounted auto focuser kit, which can compensate for the front movement of the lens during focusing.

The autofocusing motor rests on a special trolley, connected to the rails. This keeps the auto focuser pulley in line with the lens focusing ring and enables a balanced, compact solution.

Telescope & EAF Not Included

What's in the box

1x ZWO EAF mount (trolley, OTA bracket, EAF bracket, spacers)
1x 16T MXL pulley
1x 3D printed helical focuser compression MXL ring
1x MXL timing belt
1x 16mm M3 bolts for attaching the compression ring
2x 16mm M3 bolt (for 3D printed helical focuser compression ring)
2x 50mm rods for attaching trolley to the main bracket
4x 8mm countersunk M3 bolts (for attaching ZWO EAF bracket to the trolley)
1x 8mm M3 countersunk bolt (for attaching trolley rods lid)
2x 30mm M3 bolt (for attaching MXL ring arm)
2x 8mm M4 bolt with washer (for attaching EAF)

Customer reviews

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Tricky setup but gave good results

05 February 2023 | Michael

This was pretty tricky to assemble and setup.
There were no instructions so I guess it should be fairly obvious but it wasn't for me.
Eventually I got it fixed and practiced focussing indoors looking out of a window and all was ok.
On the Askar lens it has huge backlash which made autofocus hard to dial in but in the end it gave good results so was worth the effort.