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Daily Archives: August 25, 2017

Filters

LEE Filters IRND ProGlass Exposure Guide App

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LEE Filters IRND ProGlass Exposure Guide App

LEE Filters have produced a new app to accompany the ProGlass IRND range, making it easy to calculate the precise exposure when using any of the filters.

The LEE Filters ProGlass IRND Exposure Guide is an app designed for fluid and precise operation in the field, with a full range of shutter speeds in 1/3 stop increments and all the controls right under your thumb. Continue reading

Digital Technical Information Lenses

Rodenstock Apo-Sironar / Apo-Macro-Sironar Lenses

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Rodenstock Apo-Sironar / Apo-Macro-Sironar Lenses

Both lens series Apo-Sironar digital and Apo-Macro-Sironar digital (the latter is optimized for large scales) provide large image circles and leave enough space for camera movement.

Special features:

  • Resolution up to 55 line pairs/mm, pixel size up to 9 μm
  • Free from vignetting at apertures 8 to 11
  • Best imaging performance at working apertures from 8 to 11
  • Thanks to the symmetric design the imaging performance of the Apo-Sironar digital lenses stays stable over a large scale range
  • Sharpness and contrast also remain stable in the close-up range
  • Rodenstock Apo- Sironar DigitalThe Apo-Macro-Sironar digital has excellent imaging performance even up to a 2x enlargement. This makes it an ideal solution for jewel photography
  • Its light weight makes the Apo-Sironar digital a perfect lens for outdoor shootings

Continue reading