Pentax FA 43mm f/1.9 Limited

Legendary compact prime with exquisite rendering

Pentax FA 43mm f/1.9 Limited
82/100
LENS SCORE
Features 15
Performance 19
Durability 18
Price 12
Usability 18
Brand Pentax
Model 20180

Key Features

OPTICS 7 elements in 6 groups with high-refractive glass
APERTURE 8-blade rounded diaphragm for smooth bokeh
CONSTRUCTION All-metal barrel construction with premium finish
FOCUS Screw-drive autofocus system compatible with K-mount bodies
COATING smc (Super Multi Coating) for flare reduction
COMPACTNESS Ultra-slim pancake design ideal for street photography
MOUNT Pentax KAF mount, full-frame coverage
FILTER 49mm filter thread size
REPRODUCTION 0.12x maximum magnification ratio
FOCUSING Manual focus ring with smooth dampening
APERTURE RING Physical aperture ring with A-position lock
WEIGHT Extremely lightweight at approximately 155g
HERITAGE Hand-assembled Limited series craftsmanship

The Most Important Rings & Switches — Pentax FA 43mm f/1.9 Limited

Ring / Switch / Control Status Note
Focus Ring ✓ Present Manual focus ring with smooth mechanical feel
Zoom Ring ✗ Not Present Prime lens
Aperture Ring ✓ Present Physical ring with A-lock position
AF/MF Switch ✗ Not Present Controlled via camera body
Image Stabilisation Switch ✗ Not Present Relies on IBIS
Focus Limiter Switch ✗ Not Present
Function (L-Fn) Button ✗ Not Present
Zoom Lock Switch ✗ Not Present
Optical Image Stabilisation (OIS) ✗ Not Present
Weather Sealing ✗ Not Present

How-to Use Pentax FA 43mm f/1.9 Limited

Welcome to the How-to section of the lens. In this Light & Composition University website, each page for a lens has a how-to section and a section for learning. The rings, switches and controls of each lens are placed differently between brands and models. The how-to section helps you operate the lens; however, if you are interested in learning photography, you also need to know what each control changes and why you would change it. Click the “Learn” or scroll down.

Learn & Master Photography with Pentax FA 43mm f/1.9 Limited

For over a decade, we have been teaching photography following a university standard. No one does it better than us. We have a selection of courses, diplomas, graduate and post-graduate programs, as well as some of our best-selling university press publications, to guide you in the best possible way for your lens. Enroll in the fundamentals and then move to the genres you want to master.

Technical Specification

Lens Type Prime
Focal Length 43mm
Maximum Aperture f/1.9
Minimum Aperture f/22
Lens Construction 7 elements in 6 groups
Angle of View 53 degrees
Minimum Focus Distance 0.45m
Maximum Magnification 0.12x
Diaphragm Blades 8
Filter Size 49mm
Focus System Screw-drive (Body motor)
Weather Sealing No
Weight 155g
Dimensions 64mm x 27mm