Specification Sheet
ED Lens
XA Lens
ED Lens
APD
Aspherical Lens
Super ED Lens
ED glass
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(iPad/ iPhone)
7R II 1/1600 sec., F1.8, ISO100
Model name SEL100F28GM SEL85F18
Lens mount Sony E-mount Sony E-mount
Format 35mm full frame 35mm full frame
Focal-length (mm) 100 85
35mm equivalent focal-length 
(APS-C) (mm)
150 127.5
Lens construction 
(groups-elements)
10-13 
*excluding APD element
8-9
Angle of view (APS-C) 16° *
1
19° *
1
Angle of view (35mm) 24° 29°
Maximum aperture (F) 2.8 (T5.6) 1.8
Minimum aperture (F) 20 (T22) 22
Number of aperture blade 11 9
Circular aperture Yes Yes
Minimum focus distance (m)
Minimum focus distance (ft)
0.85m / 2.79 ft. (With the macro 
switching ring set to "0.85m-∞"); 
0.57m / 1.87 ft. (With the macro 
switching ring set to "0.57m-1.0m") 
0.8m / 2.63 ft
Maximum magnification ratio (x)
0.14 (With the macro switching ring set 
to "0.85m-∞"); 
0.25 (With the macro switching ring set 
to "0.57m-1.0m")
0.13
Filter diameter (mm) 72 67
Image stabilization (SteadyShot) Optical SteadyShot - (body-integrated)
Teleconverter compatibility (1.4x) - -
Teleconverter compatibility (2.0x) - -
Hood type Round shape, bayonet type Round shape, bayonet type
Dimensions dia. x length (mm)
Dimensions dia. x length (in.)
85.2 x 118.1 mm 
(3-3/8 x 4-3/4 in.)
78 x 82 mm 
(3 1/8 x 3 1/4 in.)
Weight (approx.) (g)
Weight (approx.) (oz.)
700g (24.7 oz.) 371g (13.1 oz.)
Hood (model)
Lens front cap
Lens rear cap
Case
Hood: ALC-SH147
Lens front cap: ALC-F72S
Lens rear cap: ALC-R1EM
Case
Hood: ALC-SH150
Lens front cap: ALC-F67S
Lens rear cap: ALC-R1EM
There’s nothing like the sharpness and smooth bokeh of 
a well-designed mid-telephoto prime lens for portraiture. 
The FE 85mm F1.8 is an excellent, accessible first choice. 
It features a compact, lightweight design for mobility, 
with high-performance optics and a large F1.8 maximum 
aperture that deliver just the right blend of in-focus 
sharpness and beautiful bokeh. 
FE 85mm F1.8 SEL85F18
*
1
 With interchangeable-lens digital camera incorporating APS-C type image sensors. 
Full
Circular
Aperture
ED Super ED Aspherical XA
Nano AR
Coating
Internal 
Focus
Linear SSM DDSSM OSS FRL FHB
Aperture 
Ring
AF/MF 
Switch
35mm full frame
ED (Extra-low Dispersion) glass / Super ED 
Aspherical lens 
XA extreme aspherical lens 
Linear motor 
Super Sonic wave Motor 
Direct Drive Super Sonic wave Motor
Optical SteadyShot 
Focus range limiter 
Focus hold button
Full ED Super ED Aspherical XA Linear SSM DDSSM
OSS FRL FHB
Distance from optical center of lens (mm) 
Contrast (%)
100
80
60
40
20
0 4 8 12 16 20
FE 85mm F1.8
(
SEL85F18
)
Spatial frequency
Max. aperture
F8 aperture
R
T
R
T
10 line pairs / mm
30 line pairs / mm
R: Radial values T: Tangential values
Distance from optical center of lens (mm) 
Contrast (%)
100
80
60
40
20
0 4 8 12 16 20
FE 85mm F1.8
(
SEL85F18
)
Spatial frequency
Max. aperture
F8 aperture
R
T
R
T
10 line pairs / mm
30 line pairs / mm
R: Radial values  T: Tangential values
 ED (Extra-low Dispersion) glass reduces chromatic aberration
 9-blade circular aperture
 Double linear motor system for fast, precise AF
 Snappy manual focus response
 Customizable focus hold button
Printed in JapanFebruary 2017
A fine mid-telephoto 
portrait prime
 Library
FE 100mm
F2.8 STF GM OSS
Specifications 
Installing   Library lets you download the latest digital lens catalogue 
for the entire Sony 
 lens lineup.
http://www.sony.net/alibrary

