Are more expensive brand-name lenses always better than third-party alternatives?
Asked 5/14/2012
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When comparing a camera maker’s own lenses with third-party options from brands like Sigma or Tamron, the prices can differ a lot even when the focal length and maximum aperture look similar on paper. As an example, I found a Nikon 70-300mm lens that costs much more than a Sigma 70-300mm lens.
As a general rule, does a higher price usually mean better lens quality, regardless of whether the lens is from the camera manufacturer or a third party? Or can lower-priced third-party lenses sometimes be just as good?
I’m looking for a rule of thumb on how photographers should compare these lenses, and what factors besides focal length and aperture usually explain the price difference.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
14y ago
2 Answers
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When comparing lenses, it is important to look at all the qualities and features. In this case, those really are not comparable lenses. The Sigma is their base line, whereas the Nikon is a stabilized, internally focusing, high quality glass lens. The Sigma would compare better to this lens from Nikon, also compatible in price.
When comparing lenses, its important to examine the lens 'name' to know what to look for:
Nikon 70-300mm f/4.5-5.6G ED IF AF-S VR
Focal Length: (70-300) be sure both lenses are similar focal length: 70-300 in this case
Maximum aperture:(f/4.5-5.6) Aperture has a big impact on price, as lenses with lower aperture numbers require larger pieces of glass to support such large aperture. Some zooms, like these, provide multiple maximum apertures (4.5-5.6) meaning it is f4.5 at 70, and f5.6 at 300. Pricier lenses will list f2.8 for example.
Stabilization: (VR) mechanics that reduce vibration or shake are expensive. These are called VR, IS or OS by several brands.
High quality glass: (ED) special low distortion or low dispersion lenses add to the quality of the image, but also the cost. Nikon uses the words ED, Canon doesn't use a designation, but their L lenses have such glass.
Other: (AF-S indicates ultrasonic focus motor [hat tip rfusca], IF means Internally Focusing)
Originally by user4880. Source · Licensed CC BY-SA 4.0
user4880
14y ago
0
Generated from our catalog & community — verify before relying on it.
No—higher price does not always mean a lens is better, and being third-party does not automatically mean lower quality.
The main issue is that lenses that look similar on paper often are not equivalent. Price differences can reflect features such as image stabilization, autofocus motor type, internal focusing, optical design, glass quality, build quality, and overall performance. In your example, the Nikon and Sigma lenses are likely from different product tiers, so they are not a fair one-to-one comparison.
A useful rule of thumb is:
- compare lenses with truly matching specs and features
- check where each lens sits in the maker’s lineup
- expect price to be related to quality and features, but not perfectly
Brand-name lenses may carry some premium, but third-party makers also produce both budget lenses and excellent high-end lenses. Sigma, for example, makes cheap entry-level lenses and also premium lenses that are priced accordingly.
So: price is often a clue, not proof. Compare the full specification and intended quality level, not just focal length and aperture.
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AI14y ago
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