Sony FE 20-70mm F4 G vs Sony DT 18-70mm F3.5-5.6

This is a full comparison between the lenses Sony FE 20-70mm F4 G and Sony DT 18-70mm F3.5-5.6.

Compare Specifications

Product
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Name Sony FE 20-70mm F4 G Sony DT 18-70mm F3.5-5.6
Manufacturer Sony Sony
SKU SEL2070G SAL1870
Release Date and Price
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Release Year 2023 2006
Release Date 2023-01-17 2006-06-15
MSRP N/A N/A
Buy it today
Lens Type
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Lens Type Standard / Normal Standard / Normal
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Mount Sony E Sony A
Designed for APS-C sensor No (Suitable for all sensors) Yes
Focus
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Linear Motor No information
Focus Method No information Extends
Closest Focusing Distance N/A 38 cm
Maximum Magnification 0,25
Aperture
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Maximum Aperture F4 F3,5-5,6
This lens has a variable aperture at different focal lengths.
F3,5 at 18 mm
F5,6 at 70 mm
Variable Aperture
Diaphragm Blades 9 7
Optics
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Construction 16 elements  /  13 groups 11 elements  /  9 groups
Special Elements/Coatings 2 advanced aspherical, 3 ED, 1 ED Aspherical, 1 Aspherical 1 Aspherical and 1 ED Glass Element
Focal Length
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Focal Length 20-70 mm 18-70 mm
Zoom Range 50 mm 52 mm
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 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Weather Sealing Yes No
Diameter 79 mm 66 mm
Length 99 mm 77 mm
Weight 488 gr 235 gr
Other
Sony FE 20-70mm F4 G
Sony DT 18-70mm F3.5-5.6
Filter Type Filter Thread Filter Thread
Filter Diameter 72 mm 55 mm
Lens Hood Included Included
Lens Hood SKU ALC-SH174 PH-RBA 55
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A