Modified tripod collar to fit Olympus 50-200mm classic zuiko with 3D print – Witono's Freestyle
Metal Lens Collar Tripod Mount Ring for Sigma 105mm f/2.8 DG DN Macro E- mount | eBay
DIY Telephoto lens support – Part II – Filip Ghinea | Photography Chronicles
Tripod bracket for long lenses - make one! I have a couple of long, unbalanced lenses that don't use a tripod bracket. If you have that problem, why not take a flat
Lens Hood and Tripod Collar for Takumar 200mm f/3.5 Preset - Page 2 - PentaxForums.com
Photo-Video Tip/Hack 02 - BIG lenses on small cameras, a DIY project - YouTube
DIY solution for the Nikon AF-S NIKKOR 300mm f/4D IF-ED lens tripod collar wiggle problem - Nikon Rumors
iShoot Improved Lens Collar Tripod Mount Ring for Nikon RT-1 Nikkor AF-S 300mm F/
DIY Lens Support Bracket
Atoll tripod collar makes camera angle adjustment a breeze, no matter your gear: Digital Photography Review
DIY Tripod Mount How-To - Articles and Tips | PentaxForums.com (Mobile)
NEEWER Rotatable Collar Mount Plate for Sony Alpha 7R IV 7R V 7 IV 7S III, Fast Horizontal to Vertical Camera Tripod Lens Mount Ring Compatible with DJI RS 2/3 & Arca