We don't add to the knowledge base:
Because of the small sensor size, Micro 4/3 cameras compete with compact cameras with non-interchangeable lenses rather than with APS-C or 35mm interchangeable-lens cameras. Given the fact that our knowledge base records lenses designed for APS-C or larger sensors, Micro 4/3 system cannot belong to our knowledge base. The same is true for the 4/3 SLR system.
We do not use unverified private information. At our website, lens specifications are unified and filled out only on the basis of data contained in brochures or operating instructions published by lens manufacturers. That's why we don't have to sync with any websites, except for lens manufacturers websites, of course.
We do not believe that ratings can reflect an objective view of a particular lens. Any assessment is always subjective and often does not take into account the whole complex of factors that have a significant impact on performance of the lens.
In particular:
Are you sure that users who rate lenses on other websites are aware of all these factors and are taking any careful account of them?..
No, we don't sell anything. Nevertheless, there can be links on the pages of our website to online stores or private sellers of photographic equipment, which we consider reliable and whose services we often use when we want to purchase photographic equipment.
Sometimes users of our website have been questioning us in the comments about original or current market prices of certain lenses. Typically, these questions are due to the fact that such users plan to sell lenses on marketplaces (for example, eBay).
Please be informed that our website specializes solely in providing information on lens specifications and descriptions. Moreover, the website is non-commercial: we do not sell lenses or track their prices and do not provide users with the opportunity to place advertisements for the sale of lenses. It's just not interesting to us. Therefore, we cannot help you determine the original or current market price of a particular lens.
Besides, such questions seem to appear on our website due to the fact that there is an online database of current market prices of popular autofocus and manual focus lenses with a similar name lens$db: http://www.jcolwell.ca/photography/lens$db/index.htm
With this in mind, for all questions related to determining the price of a particular lens, please refer to the mentioned above website.
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