SIRUI IronStarシリーズがNAB 2026で新しい望遠焦点距離を発表
Published on: April 24, 2026
Updated on: April 24, 2026
NAB Show 2026にて、SIRUIは最新のシネマレンズラインナップを発表し、世界中の映画製作者や業界関係者と交流しました。ラスベガスで開催されたこのイベントは、映像および放送分野における技術交流と製品紹介の重要なプラットフォームとしての役割を果たし続けています。
展示会では、SIRUIがIronStarシリーズに新たな焦点距離として75mm、100mm、135mmのT1.9 1.5xフルフレームアナモルフィックシネマレンズを発表しました。これらの追加により、既存のラインナップが拡充され、より幅広い撮影シナリオに対応可能となりました。
物語表現の柔軟性を広げる焦点距離の拡大
より長い焦点距離の導入により、IronStarシリーズは望遠用途へと拡大し、被写体のより正確な分離、背景の圧縮制御、撮影構図の柔軟性を高めます。
レンズは一貫した1.5倍のスクイーズファクターを維持し、楕円形のボケや微妙な水平フレアなどの特徴的なアナモルフィック効果を生み出しつつ、全体の画質をバランスよくコントロールします。
一貫した光学性能
新しいレンズはIronStarシリーズの確立された設計方針に従い、フルフレームセンサーに対応し、T1.9からT16までの絞り範囲を提供します。これにより、さまざまな照明条件での信頼性の高い性能と、被写界深度の調整が可能です。
ニュートラルなフレア特性は、映像を支配的にせずに補完するよう設計されています。近接撮影能力と組み合わせることで、詳細なクローズアップからより圧縮されたシネマティックな構図まで、幅広いビジュアルスタイルをサポートします。
特に100mmの焦点距離はマクロ機能を導入し、近距離撮影の創造的な可能性を広げます。
制作環境に適した実用的なデザイン
IronStarシリーズは標準的なシネマワークフローを念頭に設計されています。主な特徴は以下の通りです:
- 0.8 MODギアピッチと270°のフォーカス回転により、正確な手動操作が可能です
- 95mmの前部外径は、一般的なマットボックスやアクセサリーとの互換性をサポートします
- 交換可能なPLおよびEFマウントにより、異なるカメラシステム間での柔軟な使用が可能です
これらの要素はラインナップ全体で一貫した操作感を提供し、独立系制作から大規模なセットアップまでサポートします。
システムの継続的な開発
75mm、100mm、135mmのレンズの追加により、IronStarシリーズはより完成度の高いアナモルフィックシステムへと進化しました。焦点距離の範囲を拡大しつつ、一貫した光学特性を維持することで、ラインナップはより幅広い制作ニーズに対応し続けています。
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