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) - £2.99 per order
  • Next Day Delivery - £5.99 per order

EU Countries:

Orders with value over 22 euros may subject to local VAT tax and handling fee. Orders with value over 150 euros may subject to import duty tax.

Postage may vary depends on the destination country.

  • RoyalMail Airmail Priority - £1.95 per order
  • International Tracked - £10.95 per order
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