el segundo es el conocido Clavius. siempre quise someterlo a estudio. dibujo a negativo, lapices 2-3-4B, DINA5. espero que os gusten!

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[img=http://img115.imageshack.us/img115/4917/juliocesar2ib4.jpg]
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[img=http://img515.imageshack.us/img515/8448/clavius4ve2.jpg]
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AH! el instrumento: refractor 70/700, ocular 15mm, 50x.