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Specifications

DM-6/DM-4 DiscMounts' mount head specification:
(All specifications are subject to change without notice.)

Azimuth axis (Tripod) mounting hole: 3/8"-16 centered on 6" disc

Altitude axis (Saddle) mounting holes:
DM-6: 5/16" - 18 spaced 3" apart centered on 6" disc
DM-4: 1/4 " - 20 spaced 3" apart centered on 4 " disc

Angle adaptor mounting holes: #10-32 spaced 1.5" apart

Material: All aluminum is 6061-T6 hard coat anodized and machined to close tolerance from sold blocks. All hardware, shafts, and ball bearings are made from stainless steel

Weight no accessories:
DM-6: 16.2 lbs.
DM-4: 5.2lbs

Dimensions:
DM-6 Head only: 7 1/2" long, 6" wide, 8 3/8" high
Height to center of Altitude disc: 5 1/2"
DM-4 Head only: 5 3/4" long, 4" wide, 5" high
Heigth to center of Altitude diec: 2 1/2"

Head Load weight:
DM-6: 40 lbs (load weight varies with diameter and length of tube)
DM-4: 18 lbs (load weight varies with diameter and length of tube)

Eyepiece/Camera deferential load weight to maintain balance (at end of focuser):
DM-6: 0 to 2.2 lbs. typical
DM-4: 0 to 1.5 lbs. typical
Please note this can change up or down depending on the telescope and the highest magnification required.
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