Smc Pentax-FA* 85mm F/1.4 [IF]

Specifications01

MountPENTAX K

Focal length85mm

Max aperturef/1.4

TypePortrait · Telephoto · Prime

Release year1992

Weight550 g

Filter size67 mm

Min focus distance0.85 m

Max magnification0.1099

Aperture blades9

Optical elements8

Groups7

AutofocusYes

StabilizationNo

Aperture controlAperture ring (Manual settings + Auto Exposure setting)

Lens hoodMH-RBD67 - Bayonet-type round

TeleconvertersPentax Rear Converter-A 1.4X-S→ 119mm F/2 Pentax Rear Converter-A 2X-S→ 170mm F/2.8

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeShort telephoto prime lens

Summary02

Fixed 85mm f/1.4 portrait prime for the Pentax K mount, typically used for shallow depth-of-field portraits and low-light subject isolation.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where can this lens be adapted?

The Pentax K mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

Pentax DA and FA J lenses have no aperture ring. Use an adapter with its own aperture control.
Pentax DA lenses are made for APS-C.

Sony EAdapter · 27.46 mm
Canon RFAdapter · 25.46 mm
Nikon ZAdapter · 29.46 mm
Fujifilm XAdapter · 27.76 mm
L-MountAdapter · 25.46 mm
Micro Four ThirdsAdapter · 26.21 mm
Fujifilm G (GFX)Adapter · 18.76 mm
Canon EF-MAdapter · 27.46 mm
Canon EFAdapter · 1.46 mm
A rear element that sticks out can hit the camera mirror.

No plain adapter reaches infinity focus on: Nikon F.

Sources03

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Other Mounts03

No alternate mounts are indexed for this family yet.