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Black cylindrical lens with silver mount ring and focus hold button

Sony

Sony SEL85F18 FE 85mm f/1.8 E-Mount Lens

SKU CH-BX2T-W2B91

Full-frame 85mm f/1.8 prime with double linear AF motor, extra-low dispersion element and nine-blade diaphragm for shallow depth of field

  • Part type or numberCompact ILC Lenses
  • Diameter78 mm
  • Focus systemAuto Focus
  • Lens focal length85 mm
  • Lens apertureMaximum: f/1.8 Minimum: f/22
  • Product format35 mm full frame
  • Bright f/1.8 aperture excels in low light and shallow depth of field
  • 85 mm focal length suits portrait work on full-frame and 127.5 mm equivalent on APS-C
  • Double linear AF motor delivers fast, quiet focusing for stills and video
  • Extra-low dispersion element reduces chromatic aberration for sharper, accurate colour
  • Weather-resistant build with 67 mm filter thread and nine-blade circular diaphragm for smooth bokeh

Full-Frame E-Mount Portrait Lens

The Sony SEL85F18 is a fixed 85 mm prime for Sony E-mount full-frame mirrorless cameras. APS-C bodies give an equivalent 127.5 mm field of view. Its bright f/1.8 maximum aperture suits low-light work and shallow depth of field. Double linear autofocus motor drives fast, quiet focusing for stills and video.

Optical Design and Handling

Nine elements in eight groups include one extra-low dispersion element to reduce chromatic aberration. Rounded nine-blade diaphragm produces smooth background blur from f/1.8 to f/22. Minimum focus distance is 2.63 ft with 0.13x magnification. Dust- and moisture-resistant construction adds reliability in varied conditions.

Bundled Controls and Compatibility

Customisable focus-hold button and AF/MF switch sit on the barrel for quick tactile changes. Bayonet-type round hood is included to shield the front element. 67 mm filter thread accepts standard circular filters. Image stabilisation relies on the camera body’s in-body system.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $389.99
Cheaper than about 67% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSONY
Model nameSEL85F18
Part type or numberCompact ILC Lenses
Product typeFixed Length Lens
Product colorBlack
Audio & video
Focus systemAuto Focus
Lens focal length85 mm
Lens apertureMaximum: f/1.8 Minimum: f/22
Lens mountSony E (Full-Frame)
Viewing angle29 degree (35 mm), 19 degree (APS-C)
Closest focusing distance2.63 ft (0.8 m)
Optical construction9 elements in 8 groups
StabilizationBody-integrated
Auto-focusYes
Size & build
Diameter78 mm
Filter thread size67 mm
Product dimensions3.07 in × 3.23 in
Product weight0.82 lb (0.37 kg)
Compatibility
Compatible withSony
More details
Product format35 mm full frame
Magnifying power0.13x

Questions about this item

How do I attach the SEL85F18 to my Sony E-mount body and what step do people often miss?

Align the white mounting index on the lens barrel with the dot on the camera, twist clockwise until it clicks, then remove the rear cap — many forget to take the rear cap off before shooting.

What will need cleaning or replacement on the SEL85F18 after extended use?

The front 67 mm filter thread accepts protective filters that should be cleaned regularly; the supplied round bayonet hood can be replaced if damaged, and the focus hold button may eventually wear.

What is the first limitation I will hit when shooting continuously with the SEL85F18?

The minimum focus distance of 2.63 ft (0.8 m) and 0.13x magnification limit close-up work long before any thermal or buffer constraints appear.

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