On sale 10%
Pentax D FA 21340 150-450mm
The 150-450mm zoom reaches an effective 675mm on APS-C bodies, and its 21-seal weather-resistant build ensures reliable operation in harsh field conditions. Extra-low dispersion glass and HD coatings deliver sharp, high-contrast images while the Quick-Shift Focus system allows instant manual override. This lens is best for wildlife and sports photographers using Pentax DSLRs who need rugged, long-reach telephoto performance.
Focal length 150-450mm
Aperture f/27
Mount Pentax K
Weather Sealed Yes
Weight 2000 g
af type DC
lens type zoom
42 Overall Score
Price £1,979
Snapshot
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
78/100Our AI sentiment read
Based on 34 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Zoom |
| Focal Length Min | 150 |
| Focal Length Max | 450 |
| Elements | 18 |
| Groups | 14 |
| ED Elements | 1 |
| Coating | HD coatings, Super Protect coating |
Aperture
| Max Aperture | f/27 |
| Min Aperture | 4.5-5.6 |
| Constant | No |
| Diaphragm Blades | 9 |
Build
| Mount | Pentax K |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 2.0 kg / 4.4 lbs |
| Filter Thread | 86 |
AF & Stabilization
| AF Type | DC |
| Stabilization | No |
Focus
| Min Focus Distance | 2000 |
| Max Magnification | 1:4.55 |
vs Competition
| Spec | Pentax D FA 21340 150-450mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 150-450mm | 28-300mm | 18-50mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/27 | f/4 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Pentax K | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | true | false | false | true | true |
| Weather Sealed | true | true | true | true | true | false |
| Weight (g) | 2000 | 590 | 290 | 450 | 306 | 326 |
| AF Type | DC | VXD linear motor | stepping motor | Stepping Motor | Autofocus | Linear motor |
| Lens Type | zoom | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Pentax D FA 21340 150-450mm | 53.9 | 17.4 | 13.1 | 37.7 | 84.3 | 7.7 | 30 | 81.9 | 83.1 | 36.8 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 98 | 77.9 | 65.1 | 85.8 | 96.7 | 66 | 91.2 | 97.7 | 55.8 | 82.4 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 86.8 | 81.8 | 86 | 91.7 | 82.2 | 83.9 | 80.9 | 78.6 | 89.8 | 36.8 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.8 | 87 | 75.2 | 85.8 | 88.2 | 83.9 | 91.2 | 68 | 69.8 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.9 | 81.8 | 85.4 | 51 | 86.5 | 83.9 | 63.7 | 80.6 | 85.5 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 75.4 | 72.5 | 40.3 | 78.5 | 77.3 | 44.7 | 95.8 | 89.8 | 82.4 |
Price
Value & Pricing
From £1,979
