What are APD Lenses?


Apodization (APD) lenses go by many names, Smooth Trans Focus (STF), for example, but the technology is all in the name of good bokeh. Photographer David Flores tests some of the most popular options available today, while providing a great description for exactly how these optics function. Check out the whole video to see these lenses in action and be sure to read about it on B&H Explora to learn more.

Product Highlights:

Venus Optics Laowa 105mm f/2 Smooth Trans Focus Lens

  • Available for Nikon F, Canon EF, Sony A, Sony E, and Pentax K
  • Aperture Range: f/2 (T3.2) to f/22
  • One Apodization Element for Smooth Bokeh
  • Three Low Dispersion Elements
  • One Extra Refractive Index Element
  • Manual Focus and Manual Aperture Ring
  • Dual Diaphragms: 8- and 14-Blades


Sony FE 100mm f/2.8 STF GM OSS Lens

  • Designed for full-frame Sony E-mount cameras
  • E-Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to 20 | T5.6 to 22
  • Apodization Element for Smooth Bokeh
  • One Aspherical Element & One ED Element
  • Nano AR Coating
  • Direct Drive Super Sonic Wave AF Motor
  • Optical SteadyShot Image Stabilization
  • Physical Aperture Ring; De-Click Switch
  • Macro Switching Ring; Focus Hold Button
  • Eleven-Blade Circular Diaphragm


FUJIFILM XF 56mm f/1.2 R APD Lens

  • Premium lens for FUJIFILM X-mount mirrorless cameras
  • X-Mount Lens/APS-C Format
  • 85mm (35mm Equivalent)
  • Aperture Range: f/1.2 to f/16
  • Apodization Filter for Smooth Bokeh
  • One Double-Sided Aspherical Element
  • Two Extra-Low Dispersion Elements
  • Super EBC Coating
  • Internal Focusing Mechanism
  • Rounded 7-Blade Diaphragm

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