3M-5SA 500mm F/8

Specifications01

MountPENTAX K

Focal length500mm

Max aperturef/8

TypeTelephoto · Prime

Filter size72 mm

Summary02

Pentax K-mount 500mm prime lens with a fixed f/8 aperture, intended for long-distance telephoto use such as sports or wildlife. It’s a specialty super-telephoto design rather than a zoom.

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Specifications from kentfaith

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

kentfaith.esVisit ↗

Other Mounts03

This lens family is also indexed in 3 other mounts.