Pentax-A* SMC 1200mm F/8 ED [IF]

Specifications01

MountPENTAX K

Focal length1200mm

Max aperturef/8

TypeTelephoto · Prime

Release year1986

Weight8580 g

Filter size150 mm

Physical length684 mm

Min focus distance8 m

Max magnification0.2299

Optical elements9

Groups6

Min aperturef/45

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings + Auto Exposure setting)

Lens hoodBuilt-in telescopic round

TeleconvertersPentax Rear Converter-A 1.4X-L→ 1680mm F/11.2 Pentax Rear Converter-A 2X-L→ 2400mm F/16

EraFilm era

Production statusDiscontinued

Additional Info02

ModelSMC

FormatFull-Frame

SeriesA* Series Prime

Squeezenone

Lens TypeSuper telephoto prime lens

Iris Blades9

Release Date1986

Data Protocolnone

Focus Zoom Rodnone

Front Diameter Mm170

Summary02

Pentax K-mount super-telephoto prime with 1200mm focal length and fixed f/8 aperture. Intended for distant subjects such as wildlife or astronomy.

AI-assisted summary — verify against linked sources

Specifications from cinelenswiki

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

cinelenswiki.comVisit ↗

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lens-db.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.