Sigma Sigma 15-30mm f/3.5-4.5 EX DG IF Aspherical Ultra Review
The Sigma 15-30mm is a bulky, old ultra-wide zoom with mediocre optics. We'll tell you why it's almost never the right choice, even on a tight budget.
Overview
The Sigma 15-30mm is a weird, old lens that's hard to recommend to most people. It's an ultra-wide zoom designed for DSLRs, and the one thing you need to know is that it's a specialist tool with some serious quirks. It's heavy, it's not sharp across the frame, and it lacks modern features like weather sealing or stabilization. But if you're on a tight budget and absolutely need that 15mm ultra-wide field of view for landscapes or interiors on a Nikon DSLR, it's one of the few ways to get there without spending a fortune.
Performance
Honestly, nothing about the performance was a pleasant surprise. The autofocus is slow and noisy, landing it in the bottom half of all lenses. The optical quality is just okay, with noticeable softness in the corners even when stopped down. The only thing that performs well is its macro capability, which is in the 93rd percentile, but that's a weird flex for a wide-angle zoom. You're buying this for the focal length, not the image quality.
Pros & Cons
Pros
- Gets you a super-wide 15mm view on a budget. 94th
- Surprisingly decent close-focusing ability for a wide zoom. 78th
- Built like a tank, even if it's a heavy, old tank.
Cons
- Image quality is mediocre, especially in the corners. 16th
- Slow, loud, and dated autofocus system.
- Massive and heavy (617g) with no modern conveniences like weather sealing.
- Variable aperture that gets slow fast as you zoom.
Specifications
Full Specifications
Optics
| Type | Wide-Angle |
| Focal Length Min | 15 |
| Focal Length Max | 30 |
Aperture
| Max Aperture | f/3.5 |
| Constant | Yes |
Build
| Mount | Nikon F |
| Weight | 0.6 kg / 1.4 lbs |
Focus
| Min Focus Distance | 30 |
Value & Pricing
At $479, it's not a good value. You're paying for a niche focal range and accepting compromises everywhere else. For the same money, you could find a used, sharper prime lens or a more versatile standard zoom that will give you better results in more situations.
Price History
vs Competition
Don't compare this to primes like the Viltrox 35mm F1.7 or the Nikon Z 35mm f/1.8 S; that's a different game. For a Nikon DSLR shooter needing width, look at the Tokina 11-16mm f/2.8 or the Nikon 10-20mm AF-P. Both are sharper, more modern, and often similar in price. If you're not glued to the ultra-wide end, the Canon EF-S 17-85mm IS USM, while also older, offers image stabilization and a much more useful everyday zoom range for probably less money.
| Spec | Sigma Sigma 15-30mm f/3.5-4.5 EX DG IF Aspherical Ultra | Meike Meike 55mm F1.4 Standard Aperture APS-C Frame AF | Viltrox VILTROX 25mm F1.7 f/1.7 AF Lens for Fuji X Mount, | Canon Canon RF 24mm f/1.8 Macro IS STM Lens | Nikon Nikon S-Line Nikon NIKKOR Z 24-70mm f/2.8 S II Lens (Nikon Z) | Tamron Tamron Di III Tamron 17-70mm f/2.8 Di III-A VC RXD Lens for Sony |
|---|---|---|---|---|---|---|
| Focal Length | 15-30mm | 55mm | 25mm | 24mm | 24-70mm | 17-70mm |
| Max Aperture | f/3.5 | f/1.4 | f/1.7 | f/1.8 | f/2.8 | f/2.8 |
| Mount | Nikon F | Nikon Z | Fujifilm X | Canon RF | Nikon Z | Sony E Mount |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | false | false | false | true | false |
| Weight (g) | 617 | 281 | 400 | 269 | 676 | 544 |
| AF Type | - | STM | STM | Autofocus | Autofocus | Autofocus |
| Lens Type | Wide-Angle | - | - | Zoom | Zoom | Zoom |
Verdict
Skip it. The Sigma 15-30mm is a relic. Its only purpose is to fill an ultra-wide gap for a budget-conscious Nikon DSLR user who can't find a better alternative. For everyone else—especially anyone with a mirrorless camera or the budget for a used Tokina—there are significantly better options that won't frustrate you every time you use them.