- The Sirui Astra 100 mm T1.8 1.33× AF lens is the telephoto prime in Sirui’s Astra Series — offering full-frame anamorphic character in a long-reach format. With a constant T1.8 aperture, this lens allows for beautifully shallow depth of field, stylized oval bokeh, and rich cinematic visuals, even in lower light. The 1.33× squeeze gives a widescreen, 2.35:1 aspect ratio when de-squeezed from 16:9, preserving the classic widescreen anamorphic feel.
- Thanks to its STM autofocus motor, you get fast, smooth, and quiet focusing, with the flexibility to switch to manual focus via an AF/MF switch. There’s also an AF lock (FN) button, iris lock, and the ability to use either stepped (click) or de-clicked aperture, making it usable both for run-and-gun shooters and film-style workflows.
- Built with a rugged aluminum-alloy body and featuring dust, dirt, and raindrop resistance, the Astra 100mm is robust enough for serious production environments. As with other Astra lenses, you can choose between Blue or Neutral flare versions to match your creative vision. The lens uses a 67 mm filter thread, making it compatible with standard cinematic filters.
- 1.33× anamorphic squeeze → creates ~2.35:1 cinematic aspect ratio
- Full-frame coverage (44 mm image circle)
- Constant T1.8 aperture (T1.8–T22)
- Autofocus + Manual Focus via STM motor
- AF/MF switch, AF lock (FN), iris lock, and click on/off aperture
- Two flare styles: Blue or Neutral
- Optical construction: 18 elements (5 cylindrical)
- Minimum focus distance: 0.7 m (per Sirui spec)
- Maximum magnification: 1:7.5 (V) / 1:10.0 (H)
- Field of view (Full Frame): ~18.4° V / 27.4° H / 32.3° D
- Filter thread: M67 × 0.75
- Focus ring rotation: 136°
- Diameter: 72 mm outer
- Build: Aluminum alloy, weather-resistant (dust, dirt, raindrop)
Sirui Astra Anamorphic 100mm f/1.8 1.33x Full Frame
₹1,200.00
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