· Built Tough with Rugged Aluminum Alloy Material, Stay Solid and Resist Bending
· Easy Fit with Half-Open Design, Can Fit Diameter 33.5-35mm of Side Focus Knob
· 5mm Width Wheel Hinge for DIY Sticker Markings to Track Your Adjustments Easily
| · Outer Diameter | 88.2 mm / 3.47 in |
| · Inside Diameter | 36 mm / 1.42 in |
| · Weight | 75.5 g / 2.66 oz |
| · Material | Aluminum Alloy |
| · Items in the Package | One Pair of Spare Plastic Sealing Rings, T15 Torx Wrench, Screwdriver, etc. |
| · Easy of Use | Loosen the screw, slide the side wheel onto the side focus knob and tighten the screw. |
· Built Tough with Rugged Aluminum Alloy Material, Stay Solid and Resist Bending
· Easy Fit with Half-Open Design, Can Fit Diameter 33.5-35mm of Side Focus Knob
· 5mm Width Wheel Hinge for DIY Sticker Markings to Track Your Adjustments Easily
| · Outer Diameter | 88.2 mm / 3.47 in |
| · Inside Diameter | 36 mm / 1.42 in |
| · Weight | 75.5 g / 2.66 oz |
| · Material | Aluminum Alloy |
| · Items in the Package | One Pair of Spare Plastic Sealing Rings, T15 Torx Wrench, Screwdriver, etc. |
| · Easy of Use | Loosen the screw, slide the side wheel onto the side focus knob and tighten the screw. |








