
Sirui
Sirui 103391 E-20 Aluminum Tripod Ball Head Arca-Swiss
The Sirui E-20's 12kg load capacity and Arca-Swiss clamp give compact system cameras a ball head that won't creep mid-composition, even with a heavy lens attached.
$78.96*
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Overview
Key Features
Country of Origin:China
Package length:14.0"
Package width:12.2"
Package height:7.4"
Specifications
Brand
Sirui
Model
E-20 (103391)
Ball Diameter
36mm
Weight
0.36 kg
Height
100mm
Load Capacity
12 kg
Mounting Thread
3/8"
Clamp Standard
Arca-Swiss compatible
Material
Aluminum
Included
TY-50E quick release plate, neoprene carrying bag
Features
360° panorama base, adjustable ball friction, portrait notch, safety lock
Frequently Asked Questions
Is the Arca-Swiss clamp on the E-20 compatible with third-party plates from other manufacturers?
Yes. Arca-Swiss is an open standard — any plate conforming to the dovetail geometry will seat and lock in the E-20's clamp. This means plates from RRS, Kirk, Markins, and most third-party manufacturers will work. The included TY-50E plate (50mm x 39mm x 10mm) is the Sirui proprietary plate, but you are not locked into Sirui's ecosystem for future plate purchases.
What does the 12kg load capacity mean for typical camera and lens combinations?
12 kilograms of load capacity is substantial for a ball head in this size class. A mirrorless body with an 85mm f/1.8 lens might weigh 1.5kg; even a compact body with a 70-200mm zoom rarely exceeds 3kg. The E-20's capacity provides a large safety margin that prevents the friction lock from being stressed near its limit, which helps prevent slow creep under sustained load.
How does the adjustable ball friction on the E-20 affect handling for portrait work?
The adjustable ball friction knob lets you dial in resistance so the ball moves with controlled damping rather than snapping to a new position or drifting freely. For portrait work where you're making small incremental framing adjustments between shots, a medium friction setting allows smooth repositioning without releasing the main lock, keeping your subject in frame while you fine-tune composition.
Does the E-20 include a separate pan lock, or does the panoramic base function independently of the ball lock?
The 360° panoramic base on the E-20 operates as a separate rotation function from the main ball lock, allowing smooth horizontal panning without affecting the ball position. This means you can lock your vertical and tilt framing and then pan horizontally to follow a subject or build a panoramic sequence without disturbing the set ball angle.
What is the mounting thread size, and will the E-20 fit my tripod?
The E-20 uses a 3/8" mounting thread, which is the standard thread size for most full-size tripods. A 1/4"-20 to 3/8" bushing adapter (commonly included with tripods) allows mounting on 1/4" tripod platforms as well.