iShoot IS-SM1550 Tripod Mount Ring for Sigma AF APO 50-500mm F4.5-6.3 DG OS HSM etc

Availability: Out Of Stock
SKU: EBZ0287

iShoot IS-SM1550 Tripod Mount Ring for Sigma AF APO 50-500/4.5-6.3DG OS HSM etc features an RRS/Arca-Swiss fit quick release interface.


  • Made of Aviation Aluminum, CNC precisely machined, surface anodic oxidation, with stainless steel screw, lightweight design of hollow, weighs about 195g;
  • Referring to and modified from Sigma original TS-31 standard design, bearing is enhanced, details are improved, and added the features of finger position and quick release plate, more practical;
  • Tripod ring diameter is about 85.5mm, the use of embedded PP material to increase the damping; accurate bayonet, same to the original one, easy to quickly disassemble and adjust the body composition;
  • Tripod ring comes with quick-release plate structure, with 1/4" and 3/8" screw holes;
  • Quick release plate is AS standard, compatible with RRS / ARCA-SWISS / KIRK / WIMBERLEY / MARKINS / SUNWAYFOTO / KANGRINPOCHE / BENRO / SIRUI / MARSACE / ISHOOT ball head of Arca 39mm fit, suitable for IS-JZ30 / IS-JZ50 / IS- JZ64 / IS-QJ58 / IS-QJ64 / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK.

Applicable to below Sigma Lenses:

  • AF APO 50-500mm F4.5-6.3 DG OS HSM
  • AF APO 120-300mm F2.8 DG OS HSM
  • AF APO 120-400mm F4.5-5.6 DG OS HSM
  • AF APO 150-500mm F5-6.3 DG OS HSM
  • Not suitable for other lenses.

Package Content:

  • iShoot IS-SM1550 Tripod Mount Ring for Sigma AF APO 50-500/4.5-6.3DG OS HSM x 1

(The other items in the photos not listed here are for illustrating only, not included)

We dispatch your order on the same day if payment received before order cut-off time, otherwise we will dispatch it the next working day. However for heavy and over-sized items, order cut-off time might be earlier as we may have to use a courier like UPS.

UK Domestic:

  • Free Standard Delivery on all orders
  • Royal Mail 24 (delivery confirmation only) - £2.49 per order
  • Next Day Delivery - £5.99 per order
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