Pentax
Pentax 20180 FA43mm F1.9 Limited Lens Black Japan
★★★★★
Capture the Essence of Every SceneThe PENTAX FA43mm F1.9 Limited lens is a premium standard lens designed to deliver exceptional image quality. Crafted with high refractive-index glass and a ghostless coating, this lens offers sharp detail, rich gradation, and a beautiful bokeh effect. Its compac...
$696.70*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Capture the Essence of Every Scene
The PENTAX FA43mm F1.9 Limited lens is a premium standard lens designed to deliver exceptional image quality. Crafted with high refractive-index glass and a ghostless coating, this lens offers sharp detail, rich gradation, and a beautiful bokeh effect. Its compact design and aluminum finish make it a joy to use and carry.
Specifications:
- Focal Length: 43mm
- Aperture: F1.9
- Minimum Aperture: F22
- Lens Construction: 6 elements in 7 groups
- Minimum Focus Distance: 0.45m
- Filter Diameter: 49mm
- Weight: 155g
Key Features
The highly efficient lens which heightened depiction power, such as using a ghostless coat and high refractive-index glass sumptuously, to the limit. The straight soft dotage taste by the brightness of F1.9, depiction of sharp and rich gradation, the proximity photography capability of 0.45 m of shortest, and an eight-sheet iris diaphragm shuttlecock is a thing unique to a highly efficient single focus lens. textures of a body are good -- carrying out aluminum shaving appearance -- 。
In addition to the quality assessment by a testing machine, detail expression of depiction of sharp and rich gradation, the natural dotage taste, and a dark part is realized by having given evaluation by advanced on-the-spot photo to the design.
A spherical aberration, the top flare, and a chromatic aberration are pressed down using high refractive-index glass sumptuously.
It is high finish of the textures which use an aluminum material for all appearance.
Specifications
Brand
Pentax
Model
20180 FA43mm F1.9 Limited Lens
Focal Length
43mm
Maximum Aperture
F1.9
Minimum Focus Distance
0.45 m
Diaphragm Blades
Eight-sheet iris diaphragm
Construction Material
Aluminum (exterior)
Coating
Ghostless coat
Glass Type
High refractive-index glass
Origin
Japan
Pros & Cons
👍 Pros
- Offers a bright F1.9 aperture, allowing for excellent low-light performance and shallow depth of field.
- Designed to achieve high depiction power, utilizing a ghostless coat and high refractive-index glass for optical quality.
- Delivers sharp depiction and rich gradation, contributing to detailed and aesthetically pleasing images.
- Features a close proximity photography capability of 0.45 m, enabling creative close-up shots.
- Constructed with an aluminum material for all appearance parts, ensuring a high-quality, textured finish.
👎 Cons
- As a prime (single focus) lens, it lacks the versatility of a zoom lens for different focal lengths.
- The 43mm focal length, while unique, might not be ideal for all photographic situations or preferences.
- The term "soft dotage taste" might be subjective and not appeal to all photographers seeking clinical sharpness.
- It is described as a "Japan" model, which could imply regional differences in specifications or warranty for some buyers.
- No information is provided about weather sealing or image stabilization, which are common features in modern lenses.
Frequently Asked Questions
What aperture does the Pentax FA43mm F1.9 Limited Lens offer?
This Pentax lens features a bright F1.9 aperture, which helps create a soft, pleasing background blur and performs well in varied lighting.
What materials are used in the construction of this Pentax lens?
The Pentax FA43mm F1.9 Limited Lens utilizes aluminum material for its exterior, providing a high-quality finish and durable texture.
Does this lens include any special optical coatings?
Yes, this Pentax lens is crafted with a ghostless coat, which is designed to enhance depiction power and reduce unwanted optical artifacts.
What is the closest focusing distance for this Pentax FA43mm lens?
This lens offers a proximity photography capability with a shortest focusing distance of 0.45 meters, allowing for close-up shots.
How many diaphragm blades does the aperture mechanism have?
The Pentax FA43mm F1.9 Limited Lens incorporates an eight-sheet iris diaphragm shuttlecock, contributing to smooth bokeh and precise exposure control.
How is the image quality assessed for this lens during design?
In addition to machine testing, the design of this lens is evaluated through advanced on-the-spot photo analysis to ensure sharp depiction, rich gradation, and natural bokeh.
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