---
title: "Irix 21mm T1.5 Cine"
description: "Manual-focus full-frame wide cine prime at T1.5 with 11 blades, weather-sealed with no filter thread, 1,209 g in L-Mount, focuses to 0.3 m, $1,295. Seven videos lean positive: Michael Tobin calls it his new favorite lens and POPOTAM reviews it as a budget-friendly cine lens."
brand: "Irix"
mount: L-Mount
focal_length: 21
aperture: 1.5
lens_type: "Prime"
lens_category: ["Ultra-Wide Angle", "Cine"]
weight: 1209
year: 2022
weather_sealed: true
image_stabilization: false
price: 1295
focus: "Manual"
filter_size: "None"
max_magn:
close_focus: 0.3
sku: "IL-C21-L-I"
diameter: 95
length: 125
date: 2026-10-20
draft: false
author: "Jan Wedekind"
featured_image: /lenses/irix/irix-21mm-t1-5-cine.png
---

Key Take-Aways:

The Irix 21mm T1.5 Cine is a manual-focus, full-frame wide cine prime with 11 aperture blades and weather sealing, and it has no front filter thread. Irix lists the L-Mount version at 1,209 g with a 0.3 m close focus, and it costs $1,295. As of Oct 2026, the seven linked videos lean positive. Michael Tobin's title calls it his new favorite lens, and POPOTAM Productions reviews it as a budget-friendly cine lens in a comparison with the Sigma 18-35 f/1.8. Scott Balkum asks whether it measures up to the 30mm and 45mm, Kofi Yeboah tests it with the 45mm on a Red Komodo X, and Nick Salazar calls the Irix line very strong choices in the budget space.

From Irix:

> Irix Cine 21mm T1.5 is a full-frame cine lens. It is excellent for any work where you will require a wide and fast lens.

[Official Website](https://irixlens.com/cine-lenses/21mm/)

YouTube:

* michael tobin: [My New Favorite Lens | IRIX 21mm Cine Review](https://www.youtube.com/watch?v=2cA14s-bNT0), Nov 2022
* Scott Balkum: [Irix 21mm Full Frame T1.5 Cinema Lens Review](https://www.youtube.com/watch?v=5Ex6220HqyU), Dec 2022
* Hk Visuals: [Cinema lenses you can afford, my thoughts on the IRIX Cinema lenses!](https://www.youtube.com/watch?v=E8KKbkxT958), Mar 2023
* Hk Visuals: [The best Cinema Lenses for your X-mount Cameras [IRIX Cinema Lenses]?](https://www.youtube.com/watch?v=FdkgQV-nIfg), Jun 2023
* Kofi Yeboah: [IRIX Cine Lenses Deserve More Respect](https://www.youtube.com/watch?v=s8FcFFhtwmM), Nov 2023
* POPOTAM Productions: [IRIX 21mm T1.5 Cine lens | Review + comparison SIGMA 18-35 F1.8](https://www.youtube.com/watch?v=uCsEPyVmdJ8), Apr 2024
* Nick Salazar: [IRIX Cine Lenses: Diamond in the Rough?](https://www.youtube.com/watch?v=q9u2oxPffa4), Jun 2024