Re: Lente convessa

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From: El Filibustero <spalland_at_gmail.com>
Date: Sat, 19 Feb 2022 17:17:28 +0100

On Sat, 19 Feb 2022 06:20:59 -0800 (PST), JTS wrote:

>Prendete una lente convessa, di lunghezza focale 30/40 cm, e
>guardate attraverso, tenendola di fronte al volto ad una distanza comoda.

La "comodita'" della distanza dipende da cosa si vuole guardare. Ciao
Received on Sat Feb 19 2022 - 17:17:28 CET

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