The cabinet/Pentax/Pentax Takumar 135mm f2.5
Pentax

Pentax Takumar 135mm f2.5

Pentax K135mmf/2.5
฿5,500In stock

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Condition assessed 25/7/2026

How we grade
Optical
5.0/5
Mechanical
5.0/5
Cosmetic
4.0/5
ABExcellentWeighted across three axes

Inspector’s condition notes

This lens is in excellent cosmetic condition overall, with only minor handling marks visible on close inspection. The barrel, grip, and mount look clean, and there are no dents, brassing, or corrosion visible. Markings are still sharp and legible, with only light surface wear.

How this lens renders

Compared to the [5] spec-same Takumar [6] [0] Bayonet mount version, this one has a uniquely soft, gentle character. Wide open at [1], it delivers a soft, low-contrast, film-like rendering — lovely for dreamy portrait work. Stop down to [2] and contrast improves noticeably, with seriously sharp results from [3]–[4] (Japan-made copies tend to be sharper — you can tell from the serial number). Bokeh melts the background smoothly, and highlights render as clean circles, especially at close distances — no swirly character. Color rendering is classic Pentax. Thanks to its non-SMC lens elements, it can produce a soft, dreamy flare when shooting into the light. Attach the lens hood if you'd rather avoid it, or let the light pour in for that ethereal mood. A very worthwhile telephoto manual focus lens to own — ideal for anyone who loves keeping that soft, distinctive rendering character for everyday use on a mirrorless camera.

In the box

Original front capOriginal rear capVintage case

Honest disclosure

NoneOil on blades
NoneDust
NoneHaze
NoneFungus
NoneCoating marks
NoneSeparation
90-day warranty on every lens
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Lens heritageExact match

Pentax Takumar 135mm f2.5

The Pentax Takumar 135mm f/2.5 Bayonet is a budget K-mount manual-focus telephoto (1980-1988) with a simpler non-SMC 4-element design that renders soft and dreamy wide open but sharpens when stopped down.

The history below is for this exact model — it matches the lens you’re viewing.
Introduced
1980–1988
Optical formula
4 elements in 4 groups, non-SMC telephoto
Signature
Classic Pentax colour signature, with warmth or saturation specifics unknown.
Read the full legend
Pentax Takumar 135mm f2.5
Sample shots

What this lens can do

Example photos of this lens model, gathered from around the web — not shots of this exact copy.

Pentax Takumar 135mm f2.5 — sample 1
via squarerootofftwo · CC BY-SA
Pentax Takumar 135mm f2.5 — sample 2
via squarerootofftwo · CC BY-SA
Pentax Takumar 135mm f2.5 — sample 3
via squarerootofftwo · CC BY-SA