At f/1.8, there is a lack of resolution in the centre of the image and the contrast is clearly too low. At aperture 3.5, the definition is good in the centre of the image and OK at the edges. Although the relative drop in contrast at the edges increases, this is more than compensated for by the increase in contrast in the centre of the image...
Pentax HD FA 31mm f/1.8 Limited
Pentax K, full sizeOnly 1 piece in stock at supplier
Product details
The wide-angle lens of the series is very versatile. The large aperture allows for manipulation of depth of field, which can be a valuable creative tool for both landscape and street photography. Additionally, this lens provides sharp imaging performance with natural perspective and high contrast for architectural photography. The HD PENTAX-FA 31mm F1.8 Limited reflects the atmosphere of the current situation with its neutral imaging, making it perfect for capturing snapshots.
Lens type | Normal Lens |
Bayonet lens mount | Pentax K |
Sensor compatibility | full size |
Focus type | Autofocus |
Weight | 341 g |
Item number | 15647600 |
Manufacturer | Pentax |
Category | Lenses |
Manufacturer no. | 20210 |
Release date | 13.4.2021 |
Colour | Black |
Minimum focus distance | 0.30 m |
Lens type | Normal Lens |
Bayonet lens mount | Pentax K |
Aperture | 2 f/ |
Min. aperture | 22 f/ |
Min. focal length (exact) | 31 mm |
Focal length | 31 mm |
Sensor compatibility | full size |
Number of diaphragm blades | 9x |
Filter thread | 58 mm |
Number of lenses | 9 |
Number of lens groups | 7 |
Lens equipment | Wide angle lens |
Focus type | Autofocus |
Min. aperture opening | f/22 |
Max. aperture | f/1.8 |
Aperture | f/1.8 - 22 |
Min. focal length (exact) | 0.03 m |
Max. Focal length (exact) | 0.03 m |
Filter thread | 0.06 m |
Country of origin | Vietnam |
CO₂ emissions | 0,63 kg |
Climate contribution | EUR 0,12 |
Scope of delivery | Lens cap o-lw65b,lens mount cap k, lens case p70-140 |
Weight | 341 g |
Length | 69 mm |
Diameter | 65 mm |
Product Safety |
Length | 14.50 cm |
Width | 10.70 cm |
Height | 9.10 cm |
Weight | 519 g |
30-day right of return
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Lenses» category have a defect within the first 24 months?
Source: Galaxus- PentaxNot enough data
- 1.Canon0,4 %
- 1.Nikon0,4 %
- 1.Sigma0,4 %
- 4.7artisans0,5 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- PentaxNot enough data
- 1.TTArtisan1 day
- 1.Viltrox1 day
- 3.Laowa3 days
- 4.Samyang4 days
Return rate
How often is a product of this brand in the «Lenses» category returned?
Source: Galaxus- PentaxNot enough data
- 1.Nikon5,4 %
- 2.Canon5,9 %
- 3.Fujifilm6 %
- 4.Olympus6,1 %