Pentax DA 21987 35mm
Its 124g weight and weather sealing distinguish this Pentax 35mm f/2.4 APS-C prime, which uses Super Protect coating and a fast f/2.4 maximum aperture for a natural perspective. The lens provides a budget-friendly entry to prime shooting, with six elements including an aspherical lens for sharp edge-to-edge resolution and a pleasingly blurred background. It suits Pentax DSLR beginners and travel photographers seeking an ultralight, all-weather wide-angle lens for everyday snapshots.
About This Lens
Its 124g weight and weather sealing distinguish this Pentax 35mm f/2.4 APS-C prime, which uses Super Protect coating and a fast f/2.4 maximum aperture for a natural perspective. The lens provides a budget-friendly entry to prime shooting, with six elements including an aspherical lens for sharp edge-to-edge resolution and a pleasingly blurred background. It suits Pentax DSLR beginners and travel photographers seeking an ultralight, all-weather wide-angle lens for everyday snapshots.
- Focal length 35mm
- Max aperture 22
- Mount Pentax K
- Weight g 125
- Af type Autofocus
- Lens type prime
Overview
Performance
Pros & Cons
Pros
- Strong build (93th percentile) 93th
- Strong social proof (65th percentile) 65th
Cons
- Below average bokeh (7th percentile) 7th
- Below average aperture (24th percentile) 24th
- Below average macro (29th percentile) 29th
- Below average user sentiment (30th percentile) 30th
Specifications
Full Specifications
Optics
| Type | prime |
| Focal Length Min | 35 |
| Focal Length Max | 35 |
| Elements | 6 |
| Groups | 5 |
| Aspherical Elements | 1 |
| Coating | PENTAX Super Protect (SP) coating |
Aperture
| Max Aperture | 22 |
| Min Aperture | 2.4 |
| Constant | Yes |
| Diaphragm Blades | 6 |
Build
| Mount | Pentax K |
| Format | APS-C |
| Weather Sealed | No |
| Weight | 0.1 kg / 0.3 lbs |
| Filter Thread | 49 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 300 |
| Max Magnification | 0.17x |
Value & Pricing
vs Competition
| Spec | Pentax DA 21987 35mm | Tamron Di III 28-75mm f/2.8 Di III VXD G2 | Nikon Nikkor 2166 | Canon EF-S 18-135mm f/3.5-5.6 IS USM | Meike 50mm F1.8 Full Frame STM Auto Focus Prime | Sony E E PZ 16-50mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 35mm | 28-75mm | 55-200mm | 18-135mm | 50mm | 16-50mm |
| Max Aperture | 22 | f/2.8 | f/4 | f/3.5 | f/1.8 | f/3.5 |
| Mount | Pentax K | Sony E | Nikon F | Canon EF-S | Sony E | Sony E |
| Stabilization | false | false | true | true | true | true |
| Weather Sealed | false | true | false | false | false | true |
| Weight (g) | 125 | 550 | 255 | 515 | 369 | 107 |
| AF Type | Autofocus | VXD | Silent Wave Motor | STM | STM | Autofocus |
| Lens Type | prime | zoom | telephoto | zoom | Wide-Angle | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Pentax DA 21987 35mm | 54.4 | 6.9 | 92.5 | 28.9 | 33.1 | 24.2 | 30.1 | 34.2 | 65.1 | 35.9 |
| Tamron Di III 28-75mm f/2.8 Di III VXD G2 Compare | 54.4 | 85.7 | 63.7 | 84.8 | 91.3 | 83.2 | 80.8 | 78.6 | 89.4 | 35.9 |
| Nikon Nikkor 2166 Compare | 54.4 | 68.9 | 77.1 | 81.3 | 66.8 | 70.7 | 91.7 | 85.3 | 68.1 | 92.6 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 86.8 | 74.2 | 47.2 | 33.2 | 80.3 | 76.4 | 0 | 96 | 89.4 | 92.6 |
| Meike 50mm F1.8 Full Frame STM Auto Focus Prime Compare | 86.8 | 95.9 | 63.3 | 95.6 | 39.6 | 92.6 | 86.2 | 34.2 | 60.8 | 81.2 |
| Sony E E PZ 16-50mm f/3.5-5.6 OSS Compare | 54.4 | 74.2 | 97.8 | 35.1 | 64.9 | 76.4 | 0 | 83.6 | 89.4 | 81.2 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.