Weight | 213 g |
---|---|
Dimensions | 90 mm |
Focal Length (mm) | |
Max Aperture (f) | |
Min Aperture (f) | |
Aperture Blades | |
Elements | |
Sharp (Near) | |
Sharp (Far) | |
Rear Mount | |
Production |
Schneider AV Xenotar 90/2.4-8
Premium black metal HFT multicoated lens for Rolleivision 66 medium format projectors. Variable iris. AKA Rollei. Cat. 62094.979.399. Fixed aperture version awarded 5/5 for image quality by Chasseur d’Images magazine.
Category: Transparencies
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16:9 –
This medium format slide projector lens appears to be identical to the fixed f2.4 AV-Xenotar branded either Rollei or Schneider (but always made by Schneider), made much more desirable as a taking lens by the addition of a fine 16-blade circular diaphragm. Thanks to HFT coatings and a deep integral hood it has relatively good flare-resistance and performs similarly at most distances.
Naturally, stopping down from its maximum aperture of f2.4 (8.3 / 6.9 at distance) to f8 (8.9 / 8.4) elevates its resolving power tremendously, particularly in Zone 3. However, even at its worst (8.2 / 6.5 close up, f2.4) this is a classy performer: delivering beautiful results with centrally-framed subjects. People get excited about using cine projector lenses for portraiture because of exactly the quality this has in spades: excellent resolution in Zone 1 with Zone 3 aberrations causing an amplification of subject separation. At f2.4, the AV-Xenotar has smooth, well-blended bokeh – and you can see and benefit from all this goodness with the relatively common, too-cheap, fixed aperture versions. Similar properties are observed in top-flight slide projector lenses like the Rollei S-Projar, Zeiss Super Talon and the Leica Colorplans. However…
This particular lens doesn’t just ride high in the PJ gang. While it doesn’t have the same field flatness as a good enlarger lens, or the computer-aided correction of a modern prime, it’s no one-trick pony. It’s ability to stop down of course makes it more versatile and for most purposes its f5.6-f8 average of 85% is, like a Rolls Royce, ‘sharp enough’, although it’s always a little better in Zone 1 than 3. But – especially given the lens profiling handicap – why would you use this rather rare and expensive creature instead of a kit zoom or modest prime that will be roughly as functional at typical working apertures?
Because images from the AV-Xenotar 90/f2.4-8 look just as beautiful stopped down as they do wide open. There are some shoddy circular diaphragms and there are those that unlock your wallet: this one ensures consistent, creamy, gracefully transitioning bokeh at all apertures. Not for this lens the ‘look at me! special effects’: its bokeh is effortlessly natural, soft and painterly. Combined with vivid colour rendition and wiry Zone 1, this is a lens capable of stunning images if you play to its strengths.