SOME LINKS
http://photography-now.com/artist/alfonso-de-castro
https://hassansphotography.weebly.com/exam.html
https://es.skinography.net/alfondc
Academia: https://greav.academia.edu/AlfonsodeCastro
http://www.photojournale.com/featuredalfonsocastro.php
https://www.lomography.es/magazine/331022-momentos-pinhole-con-alfonso-de-castro
http://alfondc.daportfolio.com/
https://espaifotograficcanbaste.wordpress.com/tag/youichi-shidomoto/
https://www.goodreads.com/user/show/20412897-alfonso-de-castro
ALT-PHOTO
Alternative Photography – http://www.alternativephotography.com/
Sarah Van Keuren – https://www.sarahvankeuren.net/
Science Company – https://www.sciencecompany.com/Van-Dyke-Brown-Photographic-Process.aspx
Ray Bidegain – https://raybidegain.com/
Mike Ware – https://www.mikeware.co.uk/mikeware/Platino-Palladiotype.html
PINHOLE PHOTOGRAPHY
The Pinhole Gallery – https://pinhole.org/
International Pinhole Photography Day – https://pinholeday.org
Around the World Pinhole Crazy People – AWPCP.org
Sharon Harris Pinhole Photography – http://sharonharrisphotography.com/
Nancy Breslin – www.nancybreslin.com
Jon Grepstad – https://jongrepstad.com/pinhole-photography/pinhole-photography-history-images-cameras-formulas/
Parallax Photo – https://parallaxphotographic.coop/beginners-guide-to-pinhole-photography/
Pinhole Calculator – https://www.mrpinhole.com/calcpinh.php
Dianne Boss – diannebos.ca
FRIENDS and INTERESTING PLACES
Dominique Leyva – https://visualhuesca.wordpress.com/tag/dominique-leyva/
Joan Linux – https://blog.pocallum.cat/
Analogueworks – https://analogueworks.wixsite.com/analogueworks
CartierBresson no es un reloj – https://www.cartierbressonnoesunreloj.com/
Leicaeme – Foro de usuarios de Leica en español – https://www.leicaeme.com