Best budget lenses for the Sony a9 II
24 budget lenses that fit the Sony a9 II (Sony E mount) — the affordable entry points that still deliver. Sorted brightest-aperture first; every spec from the manufacturer's catalog.
Start with the Sirui Aurora 85mm f/1.4. At f/1.4 it is the brightest of the 24 budget Sony E lenses that fit the Sony a9 II — the full comparison is below.
Check the Sirui Aurora 85mm f/1.4 price on Amazon →
One limit of this table: it lists only Sony E lenses that mount natively on the Sony a9 II — lenses fitted through an adapter are not included here. See which mounts adapt to which.
Weight & weather sealing on the Sony a9 II
On long approaches the decision is often made by weight, not aperture. Published weights for 18 of the 24 lenses above (the other 6 have no verified weight in our dataset yet — omitted, never estimated):
| Lens | Weight | Weather sealing |
|---|---|---|
| 7Artisans AF 40mm f/2.5 Lite | 90g | None claimed |
| Viltrox AF 26mm f/2.8 EVO | 130g | Mount gasket only |
| Sony FE 28-60mm f/4-5.6 | 167g | Not verified (weight from Sony product code SEL-2860; sealing not stated on the source page) |
| Sony FE 50mm f/1.8 | 186g | None claimed (Sony makes no dust- or moisture-resistance claim) |
| Sony FE 28mm f/2 | 200g | Not verified (weight from Sony product code SEL-28F20; sealing not stated on the source page) |
| 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 FE 28-70mm f/3.5-5.6 OSS II | 293g | Not verified (weight from Sony product code SEL-28702; sealing not stated on the source page) |
| Yongnuo YN 35mm f/2S DF DSM | 295g | Not verified (weight from the third-party E-mount list row Yongnuo 'YN35mm F2S DF DSM'; sealing not stated on the source page) |
| Sony FE 28-70mm f/3.5-5.6 OSS | 295g | Not verified (weight from Sony product code SEL-2870; sealing not stated on the source page) |
| Yongnuo YN 85mm f/1.8S DF DSM | 346g | Not verified (weight from the third-party E-mount list row Yongnuo 'YN85mm F1.8S DF DSM'; sealing not stated on the source page) |
| Meike AF 85mm f/1.8 SE Mark II | 369g | Not verified (weight from the third-party E-mount list row '85mm F1.8 SE Mark II'; sealing not stated on the source page) |
| Meike AF 85mm f/1.8 STM | 386g | Not verified (weight from the third-party E-mount list row '85mm F1.8 FF STM'; sealing not stated on the source page) |
| Meike AF 85mm f/1.8 Pro | 389g | Not verified (weight from the third-party E-mount list row '85mm f1.8 Pro FF AF STM'; sealing not stated on the source page) |
| 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) |
| 7Artisans AF 10mm f/2.5 (fisheye) | 504g | Not verified (weight from the third-party E-mount list row 'AF 10mm F2.5'; sealing not stated on the source page) |
| Sirui Aurora 85mm f/1.4 | 540g | Not verified (weight from the third-party E-mount list row 'Aurora Series 85mm F1.4'; sealing not stated on the source page) |
| Sony FE 100-400mm f/5.6-8 OSS | 654g | Not verified (weight from Sony product code SEL-100400; sealing not stated on the source page) |
Packing light? The lightest here is the 7Artisans AF 40mm f/2.5 Lite at 90g.
Complete the kit for the Sony a9 II
- The Sirui Aurora 85mm f/1.4 takes 67mm front filters. One 67mm set (polariser, ND) also fits every other 67mm lens you add later — see which ones. 67mm filters on Amazon →
- Batteries, cards, a strap and a bag are specific to the Sony a9 II rather than to the lens. Sony a9 II accessories on Amazon →
FAQ
What is the best budget lens for the Sony a9 II?
Sirui Aurora 85mm f/1.4 (85mm f/1.4) is the standout budget option that fits the Sony a9 II. 24 budget Sony E lenses fit in total — compare them below.
Do these budget lenses fit the Sony a9 II?
Yes — every lens here is a Sony E mount lens, so it fits the Sony a9 II and covers its full-frame sensor.
What is the lightest budget lens for the Sony a9 II?
The 7Artisans AF 40mm f/2.5 Lite at 90g (manufacturer-published weight). Weights for 18 of the 24 lenses on this page are in the weight table above.
Already own the Sony a9 II, shopping for a spare or an upgrade? Sony a9 II on Amazon →
All lenses for the Sony a9 II · the same use across mounts: Budget lenses for Sony E · all cameras