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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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

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Overview

The Sirui E-20 is built for photographers who want the precision of a proper ball head without the weight penalty of large-format alternatives. The 36mm ball delivers smooth repositioning for compact mirrorless and CSC bodies, and the 12kg load rating — substantial for a head this size — means you're operating well below the friction system's stress threshold even with a 70-200mm zoom mounted. The Arca-Swiss compatible clamp is the detail that matters most for working photographers: it accepts plates from virtually any manufacturer, integrates with an existing Arca-Swiss ecosystem without forcing a plate replacement, and provides a secure lock with single-handed tightening. The 360° panoramic base rotates independently of the ball position, which is essential for panoramic stitching sequences where the horizontal plane must be maintained precisely while the ball angle stays fixed.

The E-20 is finished in aluminum with an anodized surface that holds up well to the repeated surface contact of bag travel and outdoor use. At 0.36kg, it adds negligible weight to a travel tripod, and the 3/8" mounting thread is universal for full-size legs. The included TY-50E quick-release plate and neoprene carrying bag are practical inclusions for initial deployment, though most serious photographers will swap the plate for a longer body-specific option quickly. The safety lock system prevents accidental ball release during transport, and the portrait notch — a 90° orientation detent — allows clean vertical framing without unscrewing the camera from the plate and remounting it rotated. For compact and mirrorless shooters doing portrait, landscape, and travel work, the E-20 represents a technically solid entry point to proper ball head control.

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

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.
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.
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.
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.
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.