Privacy

Who is responsible

The controller is Jean-Benoit Buisson, sole trader, of 47 rue Vivienne, 75002 Paris, France. Email: [email protected]

Legal basis

Your IP address and your approximate country are processed as each page loads, and the basis for that is our legitimate interest under Article 6(1)(f) GDPR: a page cannot reach you at all without an IP address, and without the country we cannot point a "Check price" button at the Amazon store that actually sells the telescope or the eyepiece you are reading about. No interest beyond those two is pursued.

Who delivers these pages, and what leaves the European Union

The servers belong to Railway Corporation (548 Market Street, PMB 68956, San Francisco, CA 94104, United States) and the delivery to Cloudflare, Inc. (101 Townsend Street, San Francisco, CA 94107, United States). Both are established in the United States, which means opening any page here involves a transfer to that country. No access log of our own is kept or analyzed; where either provider retains logs for technical reasons, its own privacy policy governs them.

What we collect

Nothing that directly identifies you: no advertising cookie, no account to create, no comment field, no newsletter.

Site analytics. Only if you accept in the banner, this site uses Google Analytics 4, from Google, to count visits, page views and clicks to Amazon. Cookies (_ga, _ga_*) are then set for up to 13 months, and Google receives a technical identifier, the page viewed and information about your device; your IP address is not stored. This data is kept for 14 months and may be transferred to the United States under the Data Privacy Framework and standard contractual clauses. The legal basis is your consent (GDPR Art. 6(1)(a)). Without your consent, no Google script loads. Your choice is kept for 6 months in your browser, and you can change it at any time with the “Manage cookies” link at the foot of the page.

What the server is sent

Two elements here are composed on each request instead of being delivered as static files: the affiliate redirect and the live price lookup. Both read your approximate country — from a CDN header, failing that from the language your browser announces — so that a button reaches the right Amazon store in the right currency. That country builds the response and is kept nowhere.

A request cannot be answered by any web server without an IP address arriving with it, and this server is no exception. The address goes into no database, feeds no profile, and is handed to nobody.

What is different once you go on to Amazon

A "Check price" button takes you off this site, and from that point Amazon's own privacy policy is the one that applies. Amazon sets a cookie so that a resulting purchase is credited to us. Who you are, which telescope or eyepiece you ordered and what you paid for it never reach us — only a count of orders, in aggregate, weeks afterwards.

Third parties

All fonts are served from this site's own domain, so your browser asks nothing of a third party. A live price is pulled by the server from a price-history service rather than by your browser, and so that service never sees you.

Your rights

Your IP address is personal data, even though we record it in no database of ours. You therefore hold the rights of access, rectification, erasure, restriction and objection set out in Articles 15 to 21 of the GDPR. In practice we keep no identifier that would let us trace your requests: under Article 11 of the GDPR we are not required to collect additional information for the sole purpose of identifying you. Write to us if you believe we hold something about you, and we will look into it.

Whatever the case, the right to lodge a complaint with a supervisory authority remains (Article 77 GDPR). The publisher being established in France, the authority is the CNIL — Commission nationale de l'informatique et des libertés, 3 place de Fontenoy, TSA 80715, 75334 Paris Cedex 07, France. A reader living in another member state may equally address the authority of their own country.