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Irix Dragonfly 21mm F/1.4 Lens
For Pentax K Mount
Weatherproof - Seals protect from dust, humidity and light splashing.
Fixed focal-length. No zoom.
Rectilinear are normal lenses that show straight lines as straight lines.
No thread to mount front filters.
Manual Focus Only lens.Lens Description
The Irix Dragonfly 21mm F/1.4 is an ultra-wide prime designed for cameras with a Full-Frame sensor. This ultra-bright prime has a 21mm focal-length.
This prime lens focuses down to 30cm from the imaging plane. The lens is not capable of autofocus and so the focus-distance must always be manually adjusted via the focus-ring.
The lens weighs 830g. Its body is weatherproof against adverse weather such as rain and snow. Seals in key areas prevent entry of water and dust.
This version of the lens has a Pentax K mount. It directly attaches and is fully compatible with all Pentax K mount cameras with Full-Frame or smaller sensors. Irix also makes this lens for Canon EF and Nikon F mounts.
Focal-Range
Angle-Of-View
Maximum Aperture
Viewing Angle Range
Maximum Aperture
Weight
Irix Dragonfly 21mm F/1.4 Specifications
| Brand | Irix | Model | Dragonfly 21mm F/1.4 |
|---|---|---|---|
| Mount | Max FLM | 1X | |
| Focal Length | 21mm | View Angle | 89° |
| Max Aperture | F/1.4 | Min Aperture | F/16 |
| Min Focus | 30cm | Magnification | Unknown |
| Filter Size | Aperture Blades | 11 | |
| Size (D x L) | 95 x 103mm | Weight | 830g |
| Tilt | N / A | Shift | N / A |
| Stabilization | Protection | Weatherproof | |
| Zoom Drive | Mechanic | Focus Drive | Manual Focus only |
| Zoom Mechanism | N / A | Focus Mechanism | Internal |
| Hood | Bayonet | Focus Motor | N / A |
| Perspective | Rectilinear | Introduced | 2022-03-10 |
| Features | UV Reactive Markings. Focus-Lock. | ||
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Irix 21mm F/1.4 Facts
Weatherproof - Seals protect from dust, humidity and light splashing.Fixed focal-length. No zoom.Rectilinear are normal lenses that show straight lines as straight lines.No thread to mount front filters.Manual Focus Only lens.| 21mm Focal-Length | F/1.4 Constant Aperture |
| No filter thread | Manual Focus only |
| Pentax K Mount | Full-Frame Coverage |
| 830g Lens Weight | 95 x 103mm (D x L) |
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