KIPON Colibri 50mm T2.5 50mm
A 10-blade iris produces a unique star-shaped bokeh, while the 300° focus rotation and 0.8 MOD gears offer precise manual control for full-frame Canon RF cameras. Its compact 494g build shares a common 80mm front diameter and 77mm filter thread across the Colibri series, ensuring consistent color and streamlined rig swaps. This lens is best for narrative filmmakers and focus pullers who prioritize distinctive bokeh and mechanical consistency over autofocus.
Snapshot
The 30-Second Version
This 50mm cine lens trades optical perfection for an unforgettable star-shaped bokeh. It's a niche pick for storytellers, not spec-chasers.
Pros & Cons
Pros
- One-of-a-kind star-shaped bokeh
- Smooth, long 300° focus throw
- Light, compact, and rig-friendly
- Shared 80mm front and gear positions across the series
Cons
- T2.5 is slow for a 50mm prime
- Manual focus only, no autofocus
- Optical quality is middle of the pack
- No weather sealing
The proof
Performance
What surprised us most is how smooth that 300° focus rotation is. You can pull focus with real precision, and the dampening is buttery consistent from close to infinity. Sharpness wide open is adequate for 4K but definitely not in the top tier. Stop down to T4 and things clean up nicely. The star bokeh effect is vivid at T2.5 and holds its shape well until about T5.6, then the aperture blades take over and you get a more conventional look. There's no weather sealing and obviously no autofocus, so you're all-in on manual cinema work.
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 50 |
| Focal Length Max | 50 |
| Coating | Not explicitly stated |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/2.5 |
| Constant | Yes |
| Diaphragm Blades | 10 |
Build
| Mount | Canon RF |
| Format | full-frame |
| Weight | 0.5 kg / 1.1 lbs |
| Filter Thread | 77 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 500 |
vs Competition
The most direct cine competitor is the Meike 50mm T2.1. It's sharper, more contrasty, and about $400 cheaper, but it lacks the star-shaped bokeh and the Colibri's extra-long focus rotation. If you want the absolute best sharpness and don't need that unique out-of-focus signature, go Meike. If you're building a Colibri set for consistent color and flair, this is your fifty.
| Spec | KIPON Colibri 50mm T2.5 50mm | Nikon NIKKOR Z 17-28mm f/2.8 | Tamron Di III 28-75mm f/2.8 VXD G2 | Sigma Contemporary 10-18mm f/2.8 DC DN | Panasonic Leica DG Vario-Elmarit H-ES12060 | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 17-28mm | 28-75mm | 10-18mm | 12-60mm | 28-70mm |
| Max Aperture | f/16 | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/22 |
| Mount | Canon RF | Nikon Z | Sony E | Sony E | Micro Four Thirds | Canon RF |
| Stabilization | false | false | false | false | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 499 | 450 | 540 | 260 | 320 | 495 |
| AF Type | manual focus only | Stepping Motor | VXD | Autofocus | linear motor | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| KIPON Colibri 50mm T2.5 50mm | 13.9 | 44.8 | 53.9 | 55.8 | 40.4 | 45.8 | 33.6 | 38 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87 | 88.1 | 73.6 | 86.3 | 87 | 85.8 | 68.1 | 38 |
| Tamron Di III 28-75mm f/2.8 VXD G2 Compare | 54.6 | 88.1 | 67.2 | 87.3 | 87.8 | 85.8 | 78.2 | 38 |
| Sigma Contemporary 10-18mm f/2.8 DC DN Compare | 54.6 | 83.5 | 87.3 | 93.3 | 81.6 | 85.8 | 69.1 | 38 |
| Panasonic Leica DG Vario-Elmarit H-ES12060 Compare | 98 | 88.1 | 83.1 | 50.4 | 90.2 | 85.8 | 93.1 | 83.2 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87 | 25.9 | 70.2 | 80.4 | 85 | 22.6 | 77.2 | 98.5 |
Price
Value & Pricing
Prices swing by $391 across vendors, from $1080 to $1471. You're paying for character, not clinical performance. If the star bokeh fits your project, shop around and grab it near the low end. The Meike 50mm T2.1 is sharper and costs hundreds less, but it can't replicate this look.
Read more
Overview
The KIPON Colibri 50mm T2.5 is a cine lens that does one thing most others can't: it gives you star-shaped bokeh straight out of the box. This Canon RF-mount prime isn't chasing sharpness records or a blazing fast aperture. It's built for filmmakers who want a consistent, character-driven look across a full set of glass, and that unique out-of-focus highlight shape is the main event. It's lightweight, shares common front diameters and gear positions with other Colibri lenses, and feels right at home on a rig.
Common Questions
Q: Does the star bokeh appear at all apertures?
The star shape is most pronounced from T2.5 to about T5.6. After that, the aperture blades dominate and the distinct star points fade into something more ordinary.
Q: Can I use this lens for photography on my Canon R camera?
You can, but it's a clumsy experience. No autofocus, no EXIF data, and a smooth unclicked T-stop ring. This lens is designed for video crews, not photo walks.
Q: How does sharpness compare to a modern photo lens?
Wide open, it's softer than even a budget 50mm f/1.8. For 4K video on a full-frame sensor, it's perfectly usable. Stop down to T4 and you'll get noticeably cleaner detail.
Who Should Skip This
If you need fast autofocus, stabilization, or the sharpest possible image, this isn't your lens. Photographers should grab the Canon RF 50mm f/1.8 STM, and video shooters wanting cleaner optics for less cash should look at the Meike 50mm T2.1.
Verdict
The KIPON Colibri 50mm T2.5 is a creative tool for narrative filmmakers who know exactly what they want. Don't buy it expecting tack-sharp stills or run-and-gun autofocus. Buy it because that star bokeh will make your night scenes and close-ups feel unlike anything from a conventional lens. It's a niche lens with a clear identity, and in the right hands, that's a beautiful thing.
