Best compact lenses for the Sony a6100

7 compact lenses that fit the Sony a6100 (Sony E mount) — small and light enough to carry all day without a bag. Sorted brightest-aperture first; every spec from the manufacturer's catalog.

Start with the Samyang AF 35mm f/1.8 FE. At f/1.8 it is the brightest of the 7 compact Sony E lenses that fit the Sony a6100 — the full comparison is below.

Last verified 2026-06-21 · Sony E mount · Sony APS-C body

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Focal	Lens	Buy	Max aperture	Type	Coverage	Best for
35mm	Samyang AF 35mm f/1.8 FE	Amazon →	f/1.8	prime	Full-frame	Standard prime Everyday Low-light Compact
45mm	Samyang AF 45mm f/1.8 FE	Amazon →	f/1.8	prime	Full-frame	Standard prime Everyday Compact Travel
75mm	Samyang AF 75mm f/1.8 FE	Amazon →	f/1.8	prime	Full-frame	Portrait Low-light Compact
40mm	Viltrox AF 40mm f/2.5	Amazon →	f/2.5	prime	Full-frame	Everyday Compact Street
20mm	Viltrox AF 20mm f/2.8	Amazon →	f/2.8	prime	Full-frame	Wide-angle Landscape Travel Compact
27mm	TTArtisan AF 27mm f/2.8 E	Amazon →	f/2.8	prime	APS-C	Standard prime Compact Budget Street
18-45mm	Samyang AF 18-45mm f/4-5.6 FE	Amazon →	f/4-5.6	zoom	Full-frame	Travel Everyday Compact Budget

FAQ

What is the best compact lens for the Sony a6100?
Samyang AF 35mm f/1.8 FE (35mm f/1.8) is the standout compact option that fits the Sony a6100. 7 compact Sony E lenses fit in total — compare them below.

Do these compact lenses fit the Sony a6100?
Yes — every lens here is a Sony E mount lens, so it fits the Sony a6100 and covers its APS-C sensor.

All lenses for the Sony a6100 · the same use across mounts: Compact lenses for Sony E · all cameras