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Pentax HD -FA 43mm F1.9 Limited KAF Mount Review

HD Pentax-FA 43mm F1.9 Limited

Main Features

  • 43mm Focal Range
  • F1.9 Max Aperture
  • Filter Thread: 49mm
  • Max Format: 35mm FF
  • Pentax KAF Mount
  • Weight: 155g / 0.34 lb
  • Dimensions(øxL): 64mm x 27mm
  • Min Focus Distance: 0.45m
  • Max Magnification: 0.12x
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HD Pentax-FA 43mm F1.9 Ltd Overview


HD Pentax-FA 43mm F1.9 Ltd is a Fixed aperture Auto Focus (AF) Standard Prime lens with 35mm FF max sensor coverage, and it is designed to be used with KAF Mount cameras.

What type of photography is the HD Pentax-FA 43mm F1.9 Ltd lens good for?

The type of photography that you are planning to use the HD Pentax-FA 43mm F1.9 Ltd is an important decision factor. Here we have evaluated its suitability to various photography scenarios:

Photography Type Suitability
Bird/WildlifeFair
SportsAverage
PortraitExcellent
TravelGood
StreetVery Good
WeddingExcellent
Walk AroundGood
VloggingGood
LandscapeGood
MacroPoor

Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Model Coverage Weight Focusing Street Price
Pentax smc FA 43mm F1.9 Limited Lens Pentax smc FA 43mm F1.9 Limited
Compare
35mm FF 155gr AF Amazon B&H Photo

Reasons to Buy HD Pentax-FA 43mm F1.9 Limited Lens

Here we've included a summary of the advantages and disadvantages of the HD Pentax-FA 43mm F1.9 Limited lens in a list form to help you determine whether it offers the features you need.

PROs
Autofocus
Aperture Ring
Distance Scale
DoF(Depth of Field) Scale
Hood supplied
Fast Aperture
Covers Full-Frame Sensor
8 Diaphragm Blades for Smooth Bokeh
Light weight at only 155g / 5.5 oz
Report a correction

Buy HD Pentax-FA 43mm F1.9 Ltd from Amazon or B&H PHOTO


CONs
No Weather Sealing


Lens Mount

HD Pentax-FA 43mm F1.9 Ltd is compatible with cameras that have a Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III.

Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. HD Pentax-FA 43mm F1.9 Ltd has a maximum diameter of 64mm and total length of 27mm. It weighs 155g / 5.5 oz.

HD Pentax-FA 43mm F1.9 Ltd has a filter thread of 49mm. Below are links to the filters that we recommend you to consider for your HD Pentax-FA 43mm F1.9 Ltd:

  • 49mm Variable ND Lens Filters
  • 49mm Circular Polarizer Lens Filters
  • 49mm Clear Protection Lens Filters




Focal Range

HD Pentax-FA 43mm F1.9 Ltd has a fixed focal length of 43mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 64.5mm.


Maximum Magnification Ratio

HD Pentax-FA 43mm F1.9 Ltd has a Max Magnification Ratio of 0.12x and has a minimum focusing distance of 0.45m. 0.12x means that the max magnification ratio is very low and not suitable even for modest close-up shots.

Below are the 3 Standard Prime type Pentax KAF mount lens alternatives with highest max magnification ratios:

  • Pentax 35mm F2.4 AL: 0.17x - (Compare)
  • Pentax DA 55mm F1.4 SDM: 0.17x - (Compare)
  • HD Pentax-FA 35mm F2 AL: 0.17x - (Compare)

Aperture

HD Pentax-FA 43mm F1.9 Ltd has a max aperture of F1.9 and a minimum aperture of F22.

Optical Formula

HD Pentax-FA 43mm F1.9 Ltd's optical formula consists of 7 elements in 6 groups . Following special elements are used in this design:

  • HD
  • Super Protect coatings

Lens Hood

HD Pentax-FA 43mm F1.9 Ltd comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.

Body Colour

HD Pentax-FA 43mm F1.9 Ltd is available in Black and silver color.

Popular Comparisons of HD Pentax-FA 43mm F1.9 Ltd

Here are the eight most popular comparisons of the HD Pentax-FA 43mm F1.9 Ltd amongst Camera Decision readers.

Top Alternatives of HD Pentax-FA 43mm F1.9 Ltd Lens
Model Coverage Weight Focusing Street Price
Pentax smc FA 43mm F1.9 Limited Lens Pentax smc FA 43mm F1.9 Limited
Compare
35mm FF 155 g / 0.34 lb AF Amazon B&H Photo
HD Pentax-FA 35mm F2 AL Lens HD Pentax-FA 35mm F2 AL
Compare
APS-C / DX 193 g / 0.42 lb AF Amazon B&H Photo
Pentax smc FA 50mm F1.4 Lens Pentax smc FA 50mm F1.4
Compare
35mm FF 220 g / 0.48 lb AF Amazon B&H Photo
HD Pentax DA 40mm F2.8 Limited Lens HD Pentax DA 40mm F2.8 Limited
Compare
APS-C / DX 80 g / 0.18 lb AF Amazon B&H Photo
HD Pentax-D FA 50mm F1.4 SDM AW Lens HD Pentax-D FA 50mm F1.4 SDM AW
Compare
35mm FF 910 g / 2.00 lb AF Amazon B&H Photo
Voigtlander 40mm F2 Ultron SL II Lens Voigtlander 40mm F2 Ultron SL II
Compare
35mm FF 200 g / 0.44 lb MF Amazon B&H Photo
Pentax smc DA 40mm F2.8 XS Lens Lens Pentax smc DA 40mm F2.8 XS Lens
Compare
APS-C / DX 45 g / 0.10 lb AF Amazon B&H Photo
Pentax smc DA 50mm F1.8 Lens Pentax smc DA 50mm F1.8
Compare
35mm FF 122 g / 0.27 lb AF Amazon B&H Photo


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate, I earn from qualifying purchases.

HD Pentax-FA 43mm F1.9 Limited Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
HD Pentax-D FA 50mm F1.4 SDM AW Lens HD Pentax-D FA 50mm F1.4 SDM AW
Compare
35mm FF 910 g / 2.00 lb AF Amazon B&H Photo
smc Pentax-FA 50mm F1.4 Classic Lens smc Pentax-FA 50mm F1.4 Classic
Compare
35mm FF 216 g / 0.48 lb AF Amazon B&H Photo
HD Pentax-FA 50mm F1.4 Lens HD Pentax-FA 50mm F1.4
Compare
35mm FF 223 g / 0.49 lb AF Amazon B&H Photo
HD Pentax-FA 31mm F1.8 Limited Lens HD Pentax-FA 31mm F1.8 Limited
Compare
35mm FF 341 g / 0.75 lb AF Amazon B&H Photo
Pentax smc D-FA 50mm F2.8 Macro Lens Pentax smc D-FA 50mm F2.8 Macro
Compare
35mm FF 265 g / 0.58 lb AF Amazon B&H Photo
HD Pentax DA 35mm F2.8 Macro Limited Lens HD Pentax DA 35mm F2.8 Macro Limited
Compare
APS-C / DX 214 g / 0.47 lb AF Amazon B&H Photo
HD Pentax DA 40mm F2.8 Limited Lens HD Pentax DA 40mm F2.8 Limited
Compare
APS-C / DX 80 g / 0.18 lb AF Amazon B&H Photo
Pentax smc DA 35mm F2.4 AL Lens Pentax smc DA 35mm F2.4 AL
Compare
APS-C / DX 124 g / 0.27 lb AF Amazon B&H Photo
Pentax smc DA 35mm F2.8 Macro Limited Lens Pentax smc DA 35mm F2.8 Macro Limited
Compare
APS-C / DX 215 g / 0.47 lb AF Amazon B&H Photo
Pentax smc DA 40mm F2.8 Limited Lens Pentax smc DA 40mm F2.8 Limited
Compare
APS-C / DX 90 g / 0.20 lb AF Amazon B&H Photo
Pentax smc DA 40mm F2.8 XS Lens Lens Pentax smc DA 40mm F2.8 XS Lens
Compare
APS-C / DX 45 g / 0.10 lb AF Amazon B&H Photo
Pentax smc DA 50mm F1.8 Lens Pentax smc DA 50mm F1.8
Compare
35mm FF 122 g / 0.27 lb AF Amazon B&H Photo
Pentax smc DA 55mm F1.4 SDM Lens Pentax smc DA 55mm F1.4 SDM
Compare
APS-C / DX 375 g / 0.83 lb AF Amazon B&H Photo
Pentax smc FA 31mm F1.8 AL Limited Lens Pentax smc FA 31mm F1.8 AL Limited
Compare
35mm FF 345 g / 0.76 lb AF Amazon B&H Photo
Pentax smc FA 43mm F1.9 Limited Lens Pentax smc FA 43mm F1.9 Limited
Compare
35mm FF 155 g / 0.34 lb AF Amazon B&H Photo
Pentax smc FA 50mm F1.4 Lens Pentax smc FA 50mm F1.4
Compare
35mm FF 220 g / 0.48 lb AF Amazon B&H Photo
HD Pentax-FA 35mm F2 AL Lens HD Pentax-FA 35mm F2 AL
Compare
APS-C / DX 193 g / 0.42 lb AF Amazon B&H Photo
Samsung D-Xenon 35mm F2 AL Lens Samsung D-Xenon 35mm F2 AL
Compare
35mm FF 195 g / 0.43 lb AF Amazon B&H Photo
Samyang 50mm F1.4 AS UMC Lens Samyang 50mm F1.4 AS UMC
Compare
35mm FF 535 g / 1.18 lb MF Amazon B&H Photo
Sigma 50mm F2.8 EX DG Macro Lens Sigma 50mm F2.8 EX DG Macro
Compare
35mm FF 320 g / 0.70 lb AF Amazon B&H Photo
Samyang 35mm F1.4 AS UMC Lens Samyang 35mm F1.4 AS UMC
Compare
35mm FF 660 g / 1.45 lb MF Amazon B&H Photo
Voigtlander 40mm F2 Ultron SL II Lens Voigtlander 40mm F2 Ultron SL II
Compare
35mm FF 200 g / 0.44 lb MF Amazon B&H Photo
Voigtlander 58mm F1.4 Nokton SL II Lens Voigtlander 58mm F1.4 Nokton SL II
Compare
35mm FF 320 g / 0.70 lb MF Amazon B&H Photo
Schneider PC-TS Super-Angulon 2.850 HM Lens Schneider PC-TS Super-Angulon 2.850 HM
Compare
35mm FF 1400 g / 3.08 lb MF Amazon B&H Photo
Irix 45mm F1.4 Lens Irix 45mm F1.4
Compare
35mm FF 925 g / 2.04 lb MF Amazon B&H Photo
Lensbaby Burnside 35 Lens Lensbaby Burnside 35
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35mm FF 374 g / 0.82 lb MF Amazon B&H Photo
Carl Zeiss Distagon T 235 Lens Carl Zeiss Distagon T 235
Compare
35mm FF 570 g / 1.25 lb MF Amazon B&H Photo
Carl Zeiss Makro-Planar T 250 Lens Carl Zeiss Makro-Planar T 250
Compare
35mm FF 530 g / 1.17 lb MF Amazon B&H Photo
Carl Zeiss Planar T1.4 50 Lens Carl Zeiss Planar T1.4 50
Compare
35mm FF 350 g / 0.77 lb MF Amazon B&H Photo
Lensbaby Velvet 56 Lens Lensbaby Velvet 56
Compare
35mm FF 400 g / 0.88 lb MF Amazon B&H Photo
Hartblei Superrotator 40mm F4 IF TS Lens Hartblei Superrotator 40mm F4 IF TS
Compare
35mm FF 1550 g / 3.41 lb MF Amazon B&H Photo
Lensbaby Sol 45 DSLR Lens Lensbaby Sol 45 DSLR
Compare
35mm FF 144 g / 0.32 lb MF Amazon B&H Photo
Rokinon 35mm f1.4 Lens Rokinon 35mm f1.4
Compare
35mm FF 660 g / 1.45 lb MF Amazon B&H Photo
Sigma 35mm F1.4 DG HSM Lens Sigma 35mm F1.4 DG HSM
Compare
35mm FF 665 g / 1.46 lb AF Amazon B&H Photo
Sigma 50mm F1.4 EX DG HSM Lens Sigma 50mm F1.4 EX DG HSM
Compare
35mm FF 505 g / 1.11 lb AF Amazon B&H Photo

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HD Pentax-FA 43mm F1.9 Ltd Detailed Specifications


General
Brand Pentax
Lens Type Prime
Lens Type Standard Prime
Lens Mount Pentax KAF
Max Format 35mm FF
Focal Range 43mm
Image Stabilization
Colour Black, silver
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F1.9
Min Aperture F22
Aperture Ring Yes
Diaphragm Blades 8
Optics
Optical Elements 7
Optical Groups 6
Special Elements HD + Super Protect coatings

FOCUSING
Min Focus Distance 0.45m
Max Magnification 0.12X
Autofocus Yes
AF Motor Type Screw drive from camera
Full Time Manual Unknown
Focus Method Internal
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 155g
Diameter 64mm
Length 27mm
Materials Aluminum
Weather Sealing No
Filter Thread 49mm
Filter Notes -
Hood Supplied Yes
Tripod Collar No
Report a Correction
Frequently Asked Questions about HD Pentax-FA 43mm F1.9 Limited
is the HD Pentax-FA 43mm F1.9 Limited a Weather-sealed lens?
What is the Minimum Focusing Distance of HD Pentax-FA 43mm F1.9 Limited
is the HD Pentax-FA 43mm F1.9 Limited an Autofocus (AF) lens?
What is the Filter Thread Size of HD Pentax-FA 43mm F1.9 Limited
Does HD Pentax-FA 43mm F1.9 Limited have Image Stabilization?
Does HD Pentax-FA 43mm F1.9 Limited have Aperture Ring?
What is the Maximum Magnification Ratio of HD Pentax-FA 43mm F1.9 Limited


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