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Sigma 30mm f/1.4 EX DC HSM
Reviews Views Date of last review
2 4201 Thu October 18, 2007
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Recommended By Average Price Average Rating
100% of reviewers 165.00 9.0
Sigma_30mm_f1_4_EX_DC_HSM.jpg



Description: This large aperture 30mm f/1.4 EX DC HSM lens is designed to match the APS-C size image sensors of digital SLR cameras. Two SLD glass elements are especially effective in the compensation of magnification chromatic aberration.

Glass mold aspherical lens at rear group of lens reduces colour aberration and provides high-quality image results. From 40cm (15.7) minimum focusing distance to infinity, this lens creates very sharp images with high contrast.

HSM provides quiet high-speed auto-focus shooting, as well as full-time manual focus. Large Maximum Aperture of f/1.4 can perform superbly in a great range of applications, including snapshots, portraiture, indoor shooting and landscape photography.

Key Features

* Lens Construction: 7 Elements in 7 Groups
* Angle of View: 45 degrees
* Number of Diaphragm Blades: 8 Blades
* Minimum Aperture: F16
* Minimum Focusing Distance: 40cm
* Maximum Magnification: 1:10.4
* Filter Size: 62mm
* Lens Hood: DiaPetal Hood
* Dimensions: Diameter 75.5mm x Length 59mm
Keywords: Sigma 30mm f/1.4 EX DC HSM lens


Author
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VinnyP
Forum Regular

Registered: February 2006
Location: Surbiton Surrey
Posts: 1147
Review Date: Sun January 28, 2007 Would you recommend the product? Yes | Price you paid?: 180.00 | Rating: 9 

 
Pros: Image quality, build quality, speed of focusing maximum aperture.
Cons: Occasionally noisy focusing

I held off buying one of these because I wasn't sure if I needed it. It is the "normal" field of view for a 1.5x crop digital SLR. Now of course I had a 2.8 zoom for this focal length and at this length it was pin sharp so it was the 1.4. Whilst the 1.4 means it can be used in low light great for available light weddings. The big advantage is a shallow depth of field whilst still getting in a full height portrait or a small group at a sensible working distance. It handles nicely and is very well made with a good included hood. The HSM motor and bright image means it focuses very quickly. There is a downside to this, sometimes when moving from close focus to far it can make a quite audible "farting" sound as the air struggles to escape. So, apart from that, it does what it says on the tin and is more use to me than a 50 1.4 but still doesn't get that much use.
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stevegreen
Getting Comfy

Registered: August 2005
Location: Shropshire
Posts: 215
Review Date: Thu October 18, 2007 Would you recommend the product? Yes | Price you paid?: 150.00 | Rating: 9 

 
Pros: Wide aperture, sharpness
Cons: None at present

I bought this lens (used) to replace my Canon 50mm f/1.8 which I always found to be too long on the 1.6 crop sensor of my EOS 350D. Personally I find the 30mm focal length much more useable than the 50mm and the wider aperture makes it absolutely ideal for low light shooting as well as offering up more creativity with depth of field.

There have been reports of severe focussing issues with this lens but I tested mine and found it to be spot on. I also have not experienced the reports of a noisy AF motor when holding the lens at certain angles.

The EX series glass is excellent and gives very sharp images even wide open at f/1.4, lovely smooth bokeh and the lens focusses quickly and accurately. The build quality of the lens as expected from Sigma EX series lenses and it comes with hood and carry bag as standard. The weight distribution when used on a EOS 350D with battery grip is even and very comfortable.

I have used the lens in a variety of situations from landscape to concert photography and never found it wanting........well, maybe if it could focus closer than 40cm, but you can't have it all!
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