SMC Pentax-M 135mm f/3.5 Specifications

• Mount Type: Pentax K (PK) bayonet mount

• Focal Length: 135mm

• Maximum Aperture: f/3.5

• Minimum Aperture: f/32

• Lens Construction: 5 elements in 5 groups

• Angle of View: 18

• Minimum Focus Distance: 1.5 meters (4.9 feet)

• Maximum Magnification: 0.12

• Aperture Blades: 8 (straight blades)

• Focus Type: Manual focus

• Filter Size: 49mm

• Length: 63mm

• Diameter: 62mm

• Weight: Approx. 290 g

• Built-in Lens Hood: Yes (telescopic style)

• Coating: SMC (Super Multi Coating) for improved contrast and flare resistance

Description

The SMC Pentax-M 135mm f/3.5 is a compact, lightweight manual telephoto prime lens designed for Pentax K-mount film SLRs. Its part of the well-regarded Pentax-M series, known for solid build quality, sharp optics, and smooth focusing action.

Despite its modest f/3.5 maximum aperture, this lens delivers excellent sharpness, contrast, and color rendering thanks to Pentaxs SMC multi-coating, which minimizes flare and ghosting. Its particularly well-suited for portraits, street photography from a distance, and lightweight travel kits.

The built-in retractable lens hood is a practical touch that protects against stray light and increases contrast when shooting outdoors. Its compact size and relatively low weight make it one of the most convenient 135mm lenses in its class.

Serial Number: 6950265
SKU: UN-90-6984

Condition:
– Lens has slight haze, no fungus, and a small amount of dust; coating is deteriorated
– Lens body has minor scratches

–
– Body