B
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Provenance & certification
LensSeed tag4-719Serial number22646057
Vivitar
Vivitar 28mm f2.5
Konica AR28mmf/2.5
฿4,100Sold
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Condition assessed 20/1/2026
How we gradeOptical
4.0/5Mechanical
4.0/5Cosmetic
4.0/5B
In the box
ฝาหน้าเทียบ ฝาหลังแท้
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
Vivitar 28mm f2.5
The Vivitar 28mm f/2.5 is a Japanese-made, typically Kiron-built badge-engineered budget wide-angle praised for its excellent metal build and smooth ~270° focus, but flagged for severe wide-open vignetting, strong flare/backlight susceptibility, and inconsistent bokeh.
The history below is for this exact model — it matches the lens you’re viewing.
Introduced
1960–1989
Optical formula
4-7 elements in 4-6 groups
Signature
Decent colour rated slightly behind a Pentax M 28mm f/2.8.
Sample shots
What this lens can do
Example photos of this lens model, gathered from around the web — not shots of this exact copy.
