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The stronghold has been developed by Baader Planetarium for mounting finder scopes, guide scopes, and even heavy telephoto lenses onto your main telescope - safely, securely, and allowing precise adjustment.
The technical data:
- colours: black or blue
- weight: 680g
- material: hard anodized aluminium
- load bearing capacity: photographic equipment to a maximum 7kg
- azimuth adjustment: +/-23°, elevation adjustment: +/-35°
- length: 115mm (including adjustment knobs)
- width: 128mm (including adjustment knobs)
- height: 54mm (without EQ clamping mechanism)
- attachment plate mounting options: 1/4" photo screw, six M6 threaded holes (thread depth 6mm)
- base plate mounting options: 1/4 "and 3/8" photo threads, four M6 and four M5 threaded holes (thread depth 6mm)
- general mounting options: included in delivery: EQ clamp (Vixen standard), can be mounted either on top or base.
- Included in delivery:
- Stronghold Tangent Assembly
- locking dowel
- holder for locking dowel
- 3/8" to 1/4" reducer
- EQ clamp
- 1/4" photo screw (secured by O-ring on delivery - this can be disposed of)
Adjustment is via four external adjusting screws - by screwing out a screw and screwing in the opposing screw. As a result, the section of sky visible in the mounted accessory employed (e.g. Baader Vario Finder, eyepiece, camera, spotting scope, guide scope, etc.) can be very precisely adjusted and aligned with the telescope. After adjustment is complete, the adjustment screws are tightened to firmly fix the Tangent Assembly in place. A stainless steel locking dowel is included in delivery with the Stronghold Tangent Assembly which, on delivery, is located in a holder on the azimuth blocks. Using this locking dowel, both the elevation axis and the azimuth axis may be locked in the final position, achieving maximum rigidity of the system. The dowel has to be inserted into the clamping screw and turned a few degrees clockwise for this. To unlock the axis, the locking knob must be loosened by the same amount prior to any readjustment.
