Canon RF 28mm F2.8 STM Lens Digital SLRs the Hadley Large is a

the Hadley Large is a scaled up version identical in everyway other than dimension

21 elements in 15 groups

and autofocus capabilities

Conic Curve Lid Shape & Wheels

Streamlined Design with No Tripod Mount

Canon RF 28mm F2.8 STM Lens Digital SLRs the Hadley Large is aMain Features: Full Frame f 2. 8 to f 22 Classic Wide Angle Prime STM Stepping AF Motor Super Spectra Coating Three aspherical elements help control distortion and promote a high degree of sharpness STM stepping motor offers fast, quiet, smooth, and accurate autofocus performance Configurable Control Ring can be used to adjust a variety of exposure settings Unit Dimensions: 2. 7 x 1" 69. 2 x 24. 7mm Unit Weight: 4. 2oz 120g Filter Thread: 55mm (Front)