Sony FE 40mm F2.5 G vs Sony FE 20mm F1.8 G

This is a full comparison between the lenses Sony FE 40mm F2.5 G and Sony FE 20mm F1.8 G.

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Product
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Name Sony FE 40mm F2.5 G Sony FE 20mm F1.8 G
Manufacturer Sony Sony
SKU SEL40F25G SEL20F18G
Release Date and Price
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Release Year 2021 2020
Release Date 2021-03-23 2020-02-25
MSRP N/A N/A
Last known price 548 USD 898 USD
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Lens Type
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Lens Type Standard / Normal Wide Angle Lens
Zoom or Prime Prime lens (no zoom) Prime lens (no zoom)
Mount and Compatibility
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Mount Sony E Sony E
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Linear Motor Linear Motor
Focus Method Internal Internal
Closest Focusing Distance 25 cm 19 cm
Maximum Magnification 0,23 0,22
Aperture
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Maximum Aperture F2,5 F1,8
Diaphragm Blades 7 9
Optics
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Construction 9 elements  /  9 groups 14 elements  /  12 groups
Special Elements/Coatings 3 aspherical elements 2 aspherical + 3 ED elements, Nano AR coating
Focal Length
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Focal Length 40 mm 20 mm
Zoom Range None (Prime lens)
No Zoom available.
None (Prime lens)
No Zoom available.
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No No
Image Stabilization CIPA Rating N/A N/A
Physical
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Weather Sealing Yes Yes
Diameter 68 mm 74 mm
Length 45 mm 85 mm
Weight 173 gr 373 gr
Other
Sony FE 40mm F2.5 G
Sony FE 20mm F1.8 G
Filter Type Filter Thread Filter Thread
Filter Diameter 49 mm 67 mm
Lens Hood Included Included
Lens Hood SKU ALCSH166 ALC-SH162
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A