SMC Pentax 135mm f3.5 Telephoto Prime Lens Pentax PK Mount Hard Case Caps Tested

Description

The SMC Pentax 135mm f/3.5 is a highly regarded, compact manual-focus telephoto prime lens manufactured by Asahi Optical Co. in Japan for the Pentax K-mount system. Renowned for its exceptional Super Multi-Coating (SMC), which virtually eliminates flare and ghosting while providing rich contrast and true-to-life color saturation. Features an all-metal chassis, smooth diamond-pattern rubber focus ring, built-in retractable metal lens hood, and a 52mm front filter thread. Serial number 5212468. Complete with original textured leatherette hard case with red plush interior, front snap-on cap, and rear K-mount cap.

Condition

Overall Condition: Excellent

Cosmetically in very clean, well-preserved condition with only faint signs of handling on the black barrel finish. Glass elements are clear and bright, free from scratches, haze, or fungus. Fully tested and operational: focus ring turns smoothly and evenly with ideal resistance, retractable built-in hood slides securely, aperture ring clicks sharply at all stops from f/3.5 to f/32, and diaphragm blades are dry, oil-free, and snappy. Serial number 5212468. Fully tested and working.

Included

• SMC Pentax 135mm f/3.5 Lens (Pentax PK Mount, Serial No. 5212468)
• Built-in Retractable Metal Lens Hood
• Original Pentax Rigid Leatherette Hard Case
• Front Snap-On Lens Cap
• Rear K-Mount Bayonet Cap

Key Features

• Asahi Super Multi-Coating (SMC) for superior optical contrast and flare prevention
• Built-in retractable slide-out metal lens hood for convenience
• Native Pentax K-mount compatible with film SLRs (K1000, ME Super, MX, LX) and digital Pentax DSLRs (K-3, K-70, K-1)
• Easily adaptable to modern digital mirrorless bodies (Sony E, Fujifilm X, Canon RF, Micro 4/3)
• Compact, lightweight telephoto prime design with standard 52mm front filter thread

Collector's Notes

The 135mm f/3.5 SMC Pentax K-mount lens is widely considered one of the sharpest value telephoto primes from the vintage era. Compact enough to toss in any camera bag, it offers wonderful portrait sharpness and smooth bokeh rendering. Complete examples with pristine SMC optics, smooth focus helicoids, and the original plush-lined hard case are always popular among both film shooters and mirrorless digital adaptors.

Keywords

SMC Pentax 135mm f3.5, Pentax K Mount Prime, Vintage Pentax Telephoto, Asahi Opt Co Japan, Pentax K1000 Lens, Tested Pentax Prime, Pentax 135mm Case