In this video I explain how I attach my ZWO 30mm f/4 guide scope to my DSLR.
Arca Swiss Clamp:
https://www.amazon.com/Neewer-Aluminium-Compatible-Wimberley-Manfrotto/dp/B00KYEO70Q/ref=pd_bxgy_img_3/144-7201223-2789728?_encoding=UTF8&pd_rd_i=B00KYEO70Q&pd_rd_r=64d5b888-caa7-4880-81c6-dc9fb42a3e36&pd_rd_w=M6SMG&pd_rd_wg=A2zCb&pf_rd_p=ce6c479b-ef53-49a6-845b-bbbf35c28dd3&pf_rd_r=Y08R0QW599VC9TAKBW4V&psc=1&refRID=Y08R0QW599VC9TAKBW4V
L Bracket:
https://www.kirkphoto.com/camera-mounting.html
Huskie Hex Key Set:
https://www.homedepot.com/p/Husky-SAE-Metric-Folding-Hex-Key-Set-With-Bonus-Torx-Set-3-Piece-HFHK3PCSET/205300307
ZWO 30mm f/4 Guide Scope:
https://agenaastro.com/zwo-30-f-4-mini-guide-scope-for-asi-cameras-31020.html
ZWO ASI 120MM Mini Auto-Guider:
https://agenaastro.com/zwo-asi120mm-mini-cmos-monochrome-astronomy-imaging-camera.html