Best standard prime lenses for the Sony a1 II
26 standard prime lenses that fit the Sony a1 II (Sony E mount) — the natural field of view — first prime territory. Sorted brightest-aperture first; every spec from the manufacturer's catalog.
Start with the Laowa Argus 35mm f/0.95 FF. At f/0.95 it is the brightest of the 26 standard prime Sony E lenses that fit the Sony a1 II — the full comparison is below.
It is manual focus — no autofocus on the Sony a1 II. If you want autofocus for standard prime, the brightest AF option here is Sony FE 50mm f/1.2 GM at f/1.2.
Check the Laowa Argus 35mm f/0.95 FF price on Amazon →
One limit of this table: it lists only Sony E lenses that mount natively on the Sony a1 II — lenses fitted through an adapter are not included here. See which mounts adapt to which.
Weight & weather sealing on the Sony a1 II
On long approaches the decision is often made by weight, not aperture. Published weights for 20 of the 26 lenses above (the other 6 have no verified weight in our dataset yet — omitted, never estimated):
| Lens | Weight | Weather sealing |
|---|---|---|
| Samyang AF 35mm f/1.8 FE | 120g | Weather-sealed |
| Samyang AF 45mm f/1.8 FE | 162g | None claimed (Samyang makes no weather-sealing claim) |
| Sony FE 40mm f/2.5 G | 173g | Not verified |
| Sony FE 50mm f/2.5 G | 174g | Not verified |
| Sony FE 50mm f/1.8 | 186g | None claimed (Sony makes no dust- or moisture-resistance claim) |
| Viltrox AF 50mm f/2.0 | 205g | None claimed |
| Sony FE 50mm f/2.8 Macro | 236g | Not verified (weight from Sony product code SEL-50M28; sealing not stated on the source page) |
| Sony Sonnar T* FE 55mm f/1.8 ZA | 281g | Not verified (weight from Sony product code SEL-55F18Z; sealing not stated on the source page) |
| Zeiss Loxia 50mm f/2 | 320g | Mount gasket only (Zeiss states a sealing ring at the bayonet only; manual focus) |
| Zeiss Loxia 35mm f/2 | 340g | Mount gasket only |
| Zeiss Batis 40mm f/2 CF | 361g | Weather-sealed |
| Voigtländer APO-Lanthar 50mm f/2 E | 364g | None claimed |
| Yongnuo YN 50mm f/1.8S DF DSM | 395g | Not verified (weight from the third-party E-mount list row Yongnuo 'YN50mm F1.8S DF DSM'; sealing not stated on the source page) |
| 7Artisans AF 50mm f/1.8 | 421g | Not verified (weight from the third-party E-mount list row 7Artisans 'AF 50mm F1.8'; sealing not stated on the source page) |
| Sony Vario-Tessar T* FE 24-70mm f/4 ZA OSS | 426g | Not verified (weight from Sony product code SEL-2470Z; sealing not stated on the source page) |
| Sony FE 50mm f/1.4 GM | 516g | Weather-sealed |
| Samyang AF 35mm f/1.4 FE II | 659g | Not verified (weight from the third-party E-mount list row Samyang 'AF 35mm F1.4 FE II'; sealing not stated on the source page) |
| Sigma 50mm f/1.4 DG DN Art | 660g | Weather-sealed |
| Sony FE 50mm f/1.2 GM | 778g | Not verified (weight from Sony product code SEL-50F12GM; sealing not stated on the source page) |
| Sony Planar T* FE 50mm f/1.4 ZA | 778g | Not verified (weight from Sony product code SEL-50F14Z; sealing not stated on the source page) |
Packing light? The lightest here is the Samyang AF 35mm f/1.8 FE at 120g. The lightest weather-sealed option is the Samyang AF 35mm f/1.8 FE at 120g — the same lens.
Complete the kit for the Sony a1 II
- The Laowa Argus 35mm f/0.95 FF takes 72mm front filters. One 72mm set (polariser, ND) also fits every other 72mm lens you add later — see which ones. 72mm filters on Amazon →
- The Sony a1 II takes an NP-FZ100 battery (CFexpress Type A memory cards, SD cards) — a spare battery and the right card class are body-specific, not lens-specific. NP-FZ100 battery on Amazon →
FAQ
What is the best standard prime lens for the Sony a1 II?
Laowa Argus 35mm f/0.95 FF (35mm f/0.95) is the standout standard prime option that fits the Sony a1 II. 26 standard prime Sony E lenses fit in total — compare them below.
Do these standard prime lenses fit the Sony a1 II?
Yes — every lens here is a Sony E mount lens, so it fits the Sony a1 II and covers its full-frame sensor.
What is the lightest standard prime lens for the Sony a1 II?
The Samyang AF 35mm f/1.8 FE at 120g (manufacturer-published weight). The lightest weather-sealed option is the Samyang AF 35mm f/1.8 FE at 120g — the same lens. Weights for 20 of the 26 lenses on this page are in the weight table above.
Already own the Sony a1 II, shopping for a spare or an upgrade? Sony a1 II on Amazon →
All lenses for the Sony a1 II · the same use across mounts: Standard prime lenses for Sony E · all cameras