Viltrox · Fujifilm X mount · Updated 31 Aug 2026
AF 28mm F4.5 Chip
A 15mm-thin body-cap lens with autofocus. Buy it for invisibility and fun, not corner-to-corner 40MP extraction.

Manufacturer data only; no firm optical rank is claimed.
01 / EDITORIAL TAKE
What the evidence supports
A 15mm-thin body-cap lens with autofocus. Buy it for invisibility and fun, not corner-to-corner 40MP extraction.
- Best for
- Everyday, Street.
- Main tradeoff
- Its 60g weight, F4.5 maximum aperture, and manufacturer only evidence profile should be considered against the alternatives below.
02 / VERIFIED SPECIFICATIONS
The decision-grade facts
- 35mm equivalent
- 42mm
- Maximum aperture
- F4.5
- Focus
- AF
- Weight
- 60g
- Dimensions
- Ø60.3 × 15.3mm
- Weather resistance
- Not specified
- Optical stabilization
- No
- US list price
- $99
MSRP is a static US list-price reference, not a live offer. Verified 2026-08-30. Price source ↗
03 / EVIDENCE
What the rank rests on
Specifications and maker claims only; this lens is held in Data pending.
04 / ALTERNATIVES
Compare before deciding
A genuinely sharp pancake with an aperture ring; modest AF refinement is the trade for pocketability.
Resolution 84.5 ±8Voigtländer27mm F2 UltronA tiny all-metal normal with electronic coupling, precise mechanical focus, and impressive crispness—an X-Pro-style purist’s lens.
Resolution 88.0 ±5FujifilmXF 35mm F2 R WRSmall, fast-focusing, and remarkably even. Less blur than the F1.4 options, but few optical weak points.
Resolution 83.8 ±8