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Carl Zeiss ZF.2 15mm f/2.8 Distagon T*

Aperture Series: Backlit Bristlecone Pine (Leica M Typ 240)

Zeiss ZF.2 15mm f/2.8 Distagon with the 24-megapixel Leica M Typ 240 at ISO 200 using the Novoflex Nikon to Leica M adapter.

The goal here is to assess whether a modern DSLR lens design for an extreme wide angle lens can perform well on the Leica M Typ 240 rangefinder, which due to ray angle issues (more below) has generally had few choices available for extreme wide angle work, most of them marginal to poor (a notable exception being the Leica 18/3.8 Super-Elmar-M ASPH, but 18mm and ƒ/3.8 is hardly 15mm ƒ/2.8).

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  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

Want a preview? Click on any page below to see an excerpt. And see Lloyd’s essays at Lenspire.Zeiss.com.

Aperture series 2.8, 4, 5.6, 8, 11 available in full article

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