Differences

This shows you the differences between two versions of the page.

--- public:organisation:photo:materiel [2019/08/01 22:57] – rom1
+++ public:organisation:photo:materiel [2019/08/02 00:06] (current) – rom1
@@ Line 65: / Line 65: @@
 status: Discontinued\\
 year: 2001
+fov=
 ====   ====
+===== Field of view =====
+FOV = 2 * Atan( Diag / (2 * focale) )
+Pour le alpha 58 , le capteur fait 23,2 x 15,4 mm (format APS-C)
+soit une Diag de 27,85 (crop: //1.55x)//
+|Focal (mm)|10|18|35|40|50|55|70|75|210|300|
+|Diag FOV (°) 1.55x|108.62|75.42|43.38|38.38|31.12|28.40|22.48|21.02|7.58|5.3|
+|Diag FOV (°) 1x|130.4|100.5|63.4|56.63|46.8|42.9|34.3|32.2|11.8|8.2|
+{{https://www.pentaxforums.com/forums/members/77-ole/albums/596-illustrations/picture99095.jpg?nolink&|www.pentaxforums.com_forums_members_77-ole_albums_596-illustrations_picture99095.jpg}}
+\\

Trace: