SmallRig 3295 78 80 Seamless Focus Gear Ring

Key Features

• 0.8 MOD Gear for Cine Follow Focus
• 78 to 80mm Diameter for Focus/Zoom
• Fully Closed and Requires No Screws
• Low Noise, No Distortion, Accurate
• Allows Smooth 360° Rotation

Add a focus gear ring to your 78 to 80mm lens without the extra slack or screws required with this Seamless Focus Gear Ring from SmallRig. The seamless ring allows you to use standard 0.8 MOD cine gears on a compatible lens for use with cine follow focuses. This 78 to 80mm size fits virtually all lenses of the same outer diameter, and it is compatible with a variety of follow focus motors such as the SmallRig Mini Follow Focus.

It attaches easily to the lens and provides evenly distributed pressure while ensuring no distortion, less noise than zip-tie style rings, and accurate focus. It's made of durable, flexible rubber, attaches firmly, and provides smooth 360° of rotation. The MOD rating and 78 to 80mm diameter size are etched inside of the ring to quickly find the correct ring for your lens.

Compatibility

• Follow focus motors with standard 0.8 MOD gears
• Lenses with 78 to 80mm diameter
• Also compatible with but not limited to:
• SmallRig Mini Follow Focus 3010

Canare L-4CFB installation 3G/HD/SD-SDI "low loss" 75 ohm coaxial cable. Price per meter

Canare L-4CFB is a 3G/HD/SD-SDI "low loss" 75 ohm coaxial cable with a central copper wire conductor, a tightly woven tinned copper braid and an aluminum foil with excellent shielding capability. The Canare L-4CFB cable is suitable for fixed installations.

Usage:

• HD-Serial Digital Video
• Satellite Technology
• HDTV
• Broadband equipment
• SMPTE 259M, 292M,424M

Features:

• Copper wire central conductor
• PE foam dielectric
• Tinned copper braid + 100% Alu foil
• Dielectric layers separated from conductor
• 100% precision coaxial cable - continuously variable frequency test

Specifications:

• Standard manufactured lengths: 100/200m
• Sheath diameter (overall diameter) in mm: 6.1
• Cable weight in kg/100m: 4.9
• Total diameter of central conductor in mm: 0.8
• Foam dielectric - diameter in mm: 3.7
• Resistance of central conductor in Ω/100m:3.6
• Resistance of outer conductor in Ω/100m:1,0
• Static capacitance in pF/m: 55
• Attenuation in dB/100m: 23,6
• Impedance in Ω: 75

Maximum transmission distance depending on video format