The cabinet/Porst/Porst 55mm f1.2
Porst

Porst 55mm f1.2

Pentax K55mmf/1.2
฿14,450Sold

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Condition assessed 25/1/2026

How we grade
Optical
4.0/5
Mechanical
4.0/5
Cosmetic
4.0/5
BVery goodWeighted across three axes

Inspector’s condition notes

The lens is in like-new condition. The optics are perfect with no scratches. The focus and aperture glide smoothly like a brand-new lens. Internal components feel solid and tight — no rattling or play inside. The exterior body looks like new, but there are 2–3 small areas of paint loss or fine scratches around the lens barrel edges, the focus ring, and the aperture ring (you have to look closely to spot them).

How this lens renders

Compared to the same-spec lens 55mm, this Porst Color Reflex MC Auto f/1.2 stands out for its more aggressive background separation. With the aperture at f/1.2, the depth of field is razor-thin, producing bokeh with real character that clearly differs from modern lenses. Wide open at f/1.2, it still renders sharp, with a signature glow that's part of its charm. The low contrast has a filmic feel, leaving plenty of flexibility for color grading in post. Stop down to f/2 and sharpness jumps up noticeably, with even tighter detail rendering at f/2.8. Color rendition delivers natural, beautiful skin tones — ideal for portrait work. The lens handles flare well and is great for creative backlit shooting to set a mood; if you'd rather avoid flare, attaching a lens hood when shooting into the light is recommended. Chromatic aberration and purple fringing show up wide open in high-contrast scenes, but a slight stop down takes care of them. A fast prime lens at the f/1.2 level — not easy to come by. Perfect for those chasing that uniquely soft, character-driven look. A worthy piece for any collection.

In the box

ฝาหน้าแท้ ฝาหลังแท้ กระเป๋าใส่เลนส์ Ricoh

Honest disclosure

MinimalDust
NoneHaze
NoneFungus
NoneSeparation
NoneCoating marks
NoneOil on blades
90-day warranty on every lens
As-pictured (ตรงปก) guarantee
Next-day dispatch, order by 22:00
100% authentic inspected & verified
Lens heritageExact match

Porst 55mm f1.2

The Porst Color Reflex MC Auto 55mm f/1.2 is a rebadged ultra-fast standard prime made in Japan for German retailer Photo Porst, prized for its dreamy vintage rendering wide open and becoming super sharp when stopped down.

The history below is for this exact model — it matches the lens you’re viewing.
Introduced
1977–1983
Signature
Renders beautiful, natural skin tones; overall color otherwise unknown.
Read the full legend
Porst 55mm f1.2