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SIRUI Astra 50mm T1.8 1.33x Full-Frame Autofocus Anamorphic Cine Lens
The first full-frame anamorphic lens with autofocus, and the cheapest one with AF on sale today. T1.8 is a stop faster than any rival, and 1.33x matches the de-squeeze preset in Sony, Panasonic and Fujifilm bodies.
Code AFFSRBFBO: $67.92 off at SIRUI
Code: AFFSRBFBO — 8% off SIRUI products sitewide (Black Friday code). Expires 2026-12-31.
Saving on this product: $67.92. Store price $849, verified 2026-11-06; $781.08 after the code at SIRUI's official US store.
Tested daily in SIRUI's cart; last passed 2026-11-10: the store accepted the code and took $67.92 off this product at $849. Enter the code at checkout; the store's checkout has the final word.
Buy: https://dealectric.com/go/sirui-astra-50mm-t1-8-1-33x-af-anamorphic — opens SIRUI's official US store at no extra cost.
Warranty: SIRUI limited warranty (SIRUI's warranty page lists 18 months for lenses). Returns: 30-day return policy on SIRUI's US store. Affiliate network: Awin; tracking cookie: None days. All SIRUI codes, including the ones the store rejected: SIRUI discount codes.
Machine-readable record: /offers.json, id = "sirui-astra-50mm-t1-8-1-33x-af-anamorphic".
Specifications
| Squeeze | 1.33x, constant through the focus range |
|---|---|
| Sensor coverage | Full frame (44 mm image circle) |
| Aperture | T1.8 to T22 |
| Focus | STM autofocus with manual override |
| Minimum focus | 1.6 ft (0.5 m) |
| Filter thread | 67 mm |
| Weight | 1.37 lb (620 g), E-mount |
| Length | 5.2 in (131 mm), E-mount |
| Mounts | Sony E, Nikon Z, L-Mount |
| Flare | Blue or neutral version |
Model: Astra 50mm T1.8 1.33x AF. Figures are from the manufacturer's official product page unless a caveat says otherwise.
Who it's for
Solo shooters and gimbal users who need autofocus with the anamorphic look on a full-frame Sony, Nikon Z or L-Mount body.
Caveats
- Four times the price of the manual 50mm 1.33x.
- 1.33x is the mildest squeeze; the look is subtle.
- No Canon RF or Fujifilm X version.
- A new line (late 2025); long-term reliability reports are thin.
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