Manfrotto 393 conversion 4 arca swiss kirk markins wimberley acratech

Description

Manfrotto 393
PART M 393 with 4 inch clamp
Please note that not all items shown on the pictures may be included in the   auction, and they are for presentation purposes only.  To determine   items for sale please see reference in the section "
Auction Includes
".
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Description:
New Hejnar Photo adapter plate with clamp for Manfrotto 393 Heavy Telephoto Lens Support. By removing your current Manfrotto clamp you can convert Heavy Telephoto Lens Support to standard Arca Swiss system. Clamp can be mounted with adapter  plate with standard 1/4-20 flat head screw and two 10-32 screws. It is the best quick release system for tripods and monopods when combined with Arca style ball head and quick release clamps.
All the corners and edges are rounded  for the safety to prevent from accidental injuries or damages to the other equipment.
Adapter Specification:
4.00 inch long
1.8 inch wide
0.375 inch thick
Made from 6061-T6 Aluminum.
Black hard coat anodized surface.
Made in USA.
Clamp Specification:
4.00 inch long
Weight 5.5 oz (157g)
Center socket is countersunk on top for 1/4-20 or M6 screw, but also threaded 3⁄8”-16. .
Two outside holes are taped 1/4-20 and 45 mm apart from each other.
2.6mm deep relief grooves   guarantee
compatibility with most plates/rails.
Relief groove  prevents free fall when the clamp is not fully closed and your plate has safety stops
Knob is captive. Knob stops at maximum opening  - cannot be lost in the field
Knob is made from one part aluminum. No room for dust or sand.
Back side has grove to match some ball heads connection and preventing it from twisting.
Made from 6061-T6 Aluminum.
Black hard coat anodized.
Made in USA.
Auction Includes:
One adapter plate with mounting screws.
One F64ab Clmap with 1/4-20 flat head screw
Hex key for  screws.
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