Sigma 30mm F1.4 Contemporary DC DN Lens for Sony E
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AI Verdict
This 9.3-ounce, F1.4 prime lens delivers sharp 45mm-equivalent images for Sony E-mount APS-C cameras, making it a strong choice for low-light and shallow depth of field.
This lens is a strong fit for Sony E-mount APS-C users who prioritize a wide F1.4 aperture for low-light performance and shallow depth of field. Its 9.3-ounce weight and compact design make it highly portable for daily use.
If you need built-in image stabilization or weather sealing, look for lenses that explicitly list "Optical SteadyShot (OSS)" or "weather-sealed construction" in their specifications.
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Pros
- F1.4 aperture allows for shooting in dim light.
- Produces sharp images, especially from f/2 onwards.
- Creates pleasing background blur (bokeh) with its 9 rounded aperture blades.
- Weighs 9.3 ounces, making it compact and light for an F1.4 lens.
- Autofocus is fast and accurate, particularly with newer Sony APS-C bodies.
- Affordable for its F1.4 aperture and image quality.
Cons
- Lacks optical image stabilization (OSS).
- Not weather-sealed, limiting use in adverse conditions.
- Exhibits barrel distortion.
- Can show color fringing when shooting wide open at F1.4.
- Autofocus motor can be audible during video recording.
Dimension Scores
Delivers sharp images from F1.4, with resolution improving to 3,080 lines at f/2.8 on a 24MP sensor.
Features a stepping motor that provides fast and accurate autofocus, especially with newer Sony APS-C bodies.
Offers shallow depth of field and low-light performance for video, but lacks optical stabilization and the AF motor can be audible.
Weighs 9.3 ounces and is compact for an F1.4 lens, making it easy to carry daily.
Best For
- Sony E-mount APS-C camera users seeking a fast prime lens.
- Photography in low-light environments without flash.
- Creating images with shallow depth of field and subject isolation.
- Street photography and everyday carry due to its compact size.
Not Recommended For
- Users requiring built-in optical image stabilization for handheld video or very slow shutter speeds.
- Shooting in dusty or wet outdoor conditions without protection.
- Full-frame camera users expecting full sensor coverage without cropping.
Watch Out For
- Color fringing is noticeable when shooting at F1.4.
- No weather sealing means it's not protected against dust and moisture.
- Autofocus can be heard on camera-mounted microphones during video recording.
- Some barrel distortion is present.
- The included lens hood may not lock securely, potentially coming loose.
Full Specifications
| ASIN | B01C3SCKI6 |
| Brand | Sigma |
| Batteries | 1 12V batteries required. |
| Lens Type | Wide Angle |
| Item Weight | 9.3 ounces |
| Manufacturer | SIGMA |
| Item model number | 302965 |
| Product Dimensions | 2.89 x 2.55 x 2.55 inches |
| Compatible Mountings | Sony E |
| Focal Length Description | 30 millimeters |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users are surprised by the image quality and F1.4 aperture this lens offers for its price, often calling it a "steal". While it's a popular choice for APS-C Sony cameras, some users note the lack of weather sealing and the potential for audible autofocus during video recording as drawbacks. The lens is frequently praised for its sharpness, even wide open, and its ability to create pleasing background blur.
“Dude, this lens is a game changer for my A6000, the F1.4 is just insane for blurry backgrounds and shooting indoors without cranking the ISO, but seriously, watch out for that AF noise if you're doing video, it's definitely there.”
Common Praise
- Produces sharp results across the frame, particularly when stopped down to f/2 and narrower.
- The F1.4 aperture allows for significant light gathering, making it suitable for low-light shooting.
- Creates smooth and pleasing background blur (bokeh).
- Its 9.3-ounce weight and compact form factor make it comfortable to use and carry.
- Autofocus is generally fast, reliable, and accurate for photography.
- Offers exceptional value for its performance and F1.4 aperture.
Common Complaints
- Absence of optical image stabilization means more care is needed for handheld shots in dim light.
- Not having weather sealing is a concern for outdoor use in less-than-ideal conditions.
- Color fringing can be visible when shooting at the widest aperture of F1.4.
- The autofocus motor's sound can be picked up by the camera's microphone during video recording.
- Some users have experienced barrel distortion in their images.
Ownership Tips
- Learning to "zoom with your feet" becomes essential since it's a prime lens.
- Managing chromatic aberration or color fringing in post-processing might be necessary for wide-open shots.
- The lack of weather sealing means you'll need to be mindful of environmental conditions.
- The lens feels balanced and comfortable on smaller APS-C camera bodies.
- The lens hood might not always stay securely attached, requiring occasional re-adjustment.
Frequently Asked Questions
Is this lens compatible with full-frame Sony E-mount cameras?
While it can physically mount, this is an APS-C lens (DC DN) and is designed for APS-C sensors. Using it on a full-frame camera will result in heavy vignetting or the camera automatically switching to crop mode.
Does this lens have image stabilization?
No, the Sigma 30mm F1.4 Contemporary DC DN lens does not have built-in optical image stabilization (OSS).
How is the autofocus performance for video?
The stepping motor provides fast and accurate autofocus for video, but some users report the motor noise can be audible if using the camera's built-in microphone.
Is this lens weather-sealed?
No, this lens is not weather-sealed, so caution is advised when using it in dusty or wet conditions.
What is the equivalent focal length on an APS-C camera?
On a Sony APS-C camera, the 30mm focal length provides an equivalent field of view of approximately 45mm.
Buying Guide
When you're looking at lenses, especially for an APS-C camera, a fast prime like this 30mm F1.4 means you're getting a lens that lets in a lot of light. This is huge for shooting indoors or at night without needing a flash, and it also lets you get those blurry backgrounds that make your subject pop. You're trading the ability to zoom for better image quality and low-light performance in a compact package.
F1.4 Aperture
30mm Focal Length (DC DN)
9 Rounded Aperture Blades
Alternatives
If you need a lens with built-in image stabilization for smoother video or very low-light handheld photos, or if you require weather sealing for shooting in harsh conditions, look for lenses that specify those features. If you prefer the flexibility of changing your field of view without swapping lenses, consider a zoom lens with a similar aperture range.
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