April 16, 2015

Manfrotto MHXPRO-3WG Arca Compatible Conversion Set from Hejnar PHOTO

Hejnar Photo MHXPRO-3WG Conversion Set overview
Hejnar PHOTO has just introduced another Arca-Swiss® compatible conversion set for Manfrotto® heads, enriching their line further.

The conversion set is addressed to the new Manfrotto MHXPRO-3WG 3 Way Geared Head, which as all the recent MHXPRO heads features the popular classic RC2 Quick Release System.

The Hejnar set contains a custom adapter plate and the Hejnar PHOTO F62b Arca-Swiss® compatible Quick Release clamp.

Owners of the brand new Manfrotto® MHXPRO-3WG Geared head wishing to take advantage of the vast number of Arca-Swiss® compatible L brackets, rails, plates and accessories, may do so by removing the current RC2 Rapid Connect mechanism from the 3Way head, and replacing it with the contents of the Hejnar Kit.

The Conversion Set
The set contains all necessary parts, screws and tools for the conversion. But basically the custom adapter plate and the Hejnar F62b Quick Release clamp.

Hejnar Photo MHXPRO-3WG Conversion Set
Hejnar Photo MHXPRO-3WG Conversion Set Contents
Conversion Set Contents:
  • One adapter plate.
  • One 2.375 inch clamp ( Model F62b)
  • One 1/4-20 x 3/4 flat head screw.
  • One 1/4-20 x 3/4 button screw
  • One M5 hex socket screw with nut.
  • Two 10-32 screws
  • Allen Hex keys for ¼-20 screws, M5 screw and 10-32 screws
  • Torx key for original safety lever screw

The Conversion Plate

Manufacturer Specification:
Model:MHXPRO-3WG
Length:2.65" (67.3 mm)
Width:2.375" (60.3 mm)
Thickness:5/8" (15.9 mm)
Tapped holes:Two 1/4"-20 and Three 10-32
Material:Precision C.N.C. machined 6061-T6 Aluminium
Color:Black hard coat anodized
Made in :USA

Hejnar Photo MHXPRO-3WG Conversion Plate
The conversion plate has two levels. The lower level is inserted into the socket of the RC2 plate and the top platform accepts the F62b QR clamp. There are two tapped 1/4"-20 holes, one for mounting the conversion plate onto the 3WG head and one that corresponds to the center hole of the clamp.
There are also three 10-32 tapped holes placed around the central 1/4-20 hole in 90 degree increments and a distance of 30 mm across each other. These smaller holes correspond to the side holes of the F62b QR clamp enabling its alignment and reorientation by 90° on the head.

The F62b Quick Release Clamp

Manufacturer Specification:
Model:F62b
Jaw Length:2.375" (60 mm)
Weight:103 gr (3.6 oz)
Countersunk/threaded holes:Three (1 x 3/8"-16 center hole and
2 x 1/4"-20 outside 30 mm apart)
Safety Stop Relief Grooves:Two
Long Captive Screw Knob:Stops at maximum opening
Material:Precision C.N.C. machined 6061-T6 Aluminium
Color:Black hard coat anodized
Hardware:Stainless Steel
Made in :USA

Following the norm of all Hejnar QR clamps, the F62b is compatible with Kirk®, R.R.S.®, Arca-Swiss®, and many other Arca style Quick Release plates and rails.
As an add-on unit, it can play different roles being used independently, i.e. mounted on another ball head and/or other equipment at will.

Hejnar Photo updated F62b QR clamp
The clamp included in the conversion set is the updated classic Hejnar F62b where "b" at the end of the model name denotes the long black screw knob. More about the Hejnar Photo clamps you may read in the Updated Hejnar PHOTO Quick Release Clamps Preview



The Conversion Process
The conversion process is simple for anyone with a little experience with tools who only needs to follow the included illustrated instructions. Yet completely reversible.

Manfrotto MHXPRO-3WG RC2 Locking Lever removal
Since the conversion only involves the unscrewing and removal of the lock lever and the safety lever of the RC2 Rapid Connect mechanism.

Consequently the attachment of the MHXPRO-3WG Conversion Plate is done by two screws taking their place.

Hejnar Photo Conversion Plate installed on Manfrotto MHXPRO-3WG
Hejnar Photo Conversion Plate installed on Manfrotto MHXPRO-3WG via two of the included screws. The M5 hex socket screw with nut and 1/4"-20 button head screw.

Then the F62b QR Clamp is further attached by a couple of screws on top of the adapter plate.
It's up to the end user to decide on the orientation of the F62b QR Clamp at will, since it can be screwed in any of four possible position, incremented by 90° depending on the task.

Hejnar Photo Conversion set w/ F62b QR clamp on Manfrotto MHXPRO-3WG
The Hejnar Photo F62b QR clamp mounted by 3 screws on top of the Manfrotto® MHXPRO 3Way Geared head. The clamp screw knob points to the side.

According to Hejnar Photo the choice of QR Clamp size or screw knob color/size is up to the user who should contact Hejnar Photo prior to concluding the transaction on line.

The Hejnar Photo F62 QR clamp with clear long screw knob is mounted on the Manfrotto® MHXPRO 3WG by two screws. The screw knob points backwards, maintaining the orientation of the original RC2 plate.

I hope you found the article useful, thank you for viewing.
All Photos used by permission: © 2015 Chris Hejnar / Hejnar PHOTO

Price and Availability:
Current price for the MHXPRO-3WG Conversion Set is US$ 112.00 or US$ 65.00 for the MHXPRO-3WG Adapter Plate alone. (+Shipping where applicable) Both are available from the Hejnar Photo online Store.

If you are interested in the product, do check the Recommended Sellers page for a valid Hejnar Photo discount coupon before ordering.

Referenced Articles:
Updated Hejnar PHOTO Quick Release Clamps Preview

Relevant Articles:
Manfrotto MHXPRO-3WG Arca Compatible Conversion Set from Hejnar PHOTO
Manfrotto 324/327/322 RC2 Arca Compatible Conversion set from Hejnar PHOTO
New & Unique Hejnar PHOTO Arca Compatible QR Clamp for Manfrotto 496 / 498 and 054 Ball Heads
New Arca Compatible Conversion for Manfrotto 400 Geared Head by Hejnar PHOTO

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