Screw Knob Clamps
DDC-42 42mm Clamp DDC-50 50mm Clamp DDC-60 60mm Clamp
   
                 
            
              

DDC-42 42mm Screw Knob Clamp
Length: 42mm
Width: 53mm
Height: 15mm
Weight: 95g
148"mounting hole
Fits many brands of ball heads including
Arca-swiss, RRS etc.
Use included Metric 5 flat head screw to
mount onto a ballhead.
1/4" Standard thread will fit on any
standard
 head.
All metal construction

More info

DDC-50 50mm Screw Knob Clamp
Length: 50mm
Width: 53mm
Height: 15mm
Weight: 112g
3/8"mounting hole and 1/4" adapter.
Fits many brands of ball heads including
Arca-swiss, RRS etc.
Use included Metric 6 flat head screw to
mount onto a ballhead.
3/8" Standard thread will fit on any standard
tripod or head. 1/4" bushing adapter (included)
converts it to 1/4" thread.
All metal construction

More info

DDC-60 60mm Screw Knob Clamp
Length: 60mm
Width: 53mm
Height: 15mm
Weight: 120g
3/8"mounting hole and 1/4" adapter.
Fits many brands of ball heads including
Arca-swiss, RRS etc.
Use included Metric 6 flat head screw to
mount onto a ballhead.
3/8" Standard thread will fit on any standard
tripod or head. 1/4" bushing adapter (included)
converts it to 1/4" thread.
All metal construction

More info

DDT-53 DDB-53 DDC-G1

Dual Double Subtend Clamp
Length: 54mm
Width (inc handles): 109mm
Height: 22mm
Weight: 158g

3/8"-16 threaded mounting hole
Under and over independent Arca clamps.
Use with 2 long plates or rails for precise dual control. 
Includes 1/4"-20 bushing adapter
All metal construction.
Metal knobs with no rubber or plastic
Compatible with all Arca Swiss plates.

DBB-53 Bidirectional Clamp
Length (clamp only) 54mm
Length (inc handle): 92mm
Height: 30mm
Weight: 214g
Under and over Arca clamp.
Use it with 2 long plates or rails
for precise bidirectional control.  
All metal construction.
Metal knobs with no rubber or plastic
Compatible with all Arca Swiss plates. 

60mm Screw knob Clamp for Gitzo
Width: 53mm
Length: 60mm
Weight: 100g
Designed to convert the Gitzo Traveller head and make
it more conventional and compact
All metal construction
Knob is metal with no rubber or plastic parts
Includes bubble level
Compatible with all Arca Swiss plates. 

DDY-64 DMC-200 DMP-200

DDY-64 64mm Discal (circular) Clamp
Diameter: 64mm
Length: 108mm
Height: 16mm
Weight: 120g
Use on virtually any head, tripod or monopod.
Can mount to any 3/8"-16 post or 1/4"-20
(using the included 1/4" bushing adapter)
or you can remove your existing clamp and replace
 it using the 6mm hex screw provided.
Will fit many brands of ball heads &
including Arca-swiss, Jobu, RRS etc.

DMC-200 Rail w 40mm Clamp
Width (rail only): 39mm
Width (including handle): 95mm
Length (including clamp): 200mm
Length (without clamp): 185mm
Weight: 173g
Mounting hole: 1/4-20″
Clamp Style: Screw-Knob
Material: 6061T651
Integral "on-end"clamp fits to all
Arca-swiss standard quick release plates.
Double Arca Dovetails
Anodized to a scratch-resistant, black finish.
Includes bubble level
Compatible with all Arca Swiss plates. 

Multi-Purpose Rail Nodal Slide DMP-200
Width: 39mm
Length: 240mm
Weight: 193g
Mounting hole: 1/4-20″
Clamp Style: 40mm Screw-Knob
Material: 6061T651
Precision CNC machined nodal slide.
Compatible with all Arca-swiss style quick-release plates.
Accurately find nodal point for panoramic photography.
For close-up photography, slide the
camera in and out without moving the tripod.
Double Dovetail allows you to mount the rail to an arca clamp
and combine with the bi-directional
clamp for incredible versatility.

DMP-100DMP-140

Multi-Purpose Rail Nodal Slide DMP-100
Width: 39mm
Length: 100mm
Weight: 100g
Mounting hole: 1/4-20″
Clamp Style: 40mm Screw-Knob
Material: 6061T651
Precision CNC machined nodal slide.
Compatible with all Arca-swiss style quick-release plates.
Accurately find nodal point for panoramic photography.
For close-up photography, slide the
camera in and out without moving the tripod.
Double Dovetail allows you to mount the rail to an arca clamp
and combine with the bi-directional
clamp for incredible versatility.

Multi-Purpose Rail Nodal Slide DMP-140
Width: 39mm
Length: 140mm
Weight: 120g
Mounting hole: 1/4-20″
Clamp Style: 40mm Screw-Knob
Material: 6061T651
Precision CNC machined nodal slide.
Compatible with all Arca-swiss style quick-release plates.
Accurately find nodal point for panoramic photography.
For close-up photography, slide the
camera in and out without moving the tripod.
Double Dovetail allows you to mount the rail to an arca clamp
and combine with the bi-directional
clamp for incredible versatility.

Heads Clamps Plates & Rails Leveling Bases
Focusing Handles Stereo / 3D Rigs Tele Lens Support Accessories