(:format :d100 :make "Nikon" :pixels (3037 . 2024) :imager (23.7 . 15.6) :name "D100")
(:format :d70 :make "Nikon" :pixels (3008 . 2000) :imager (23.7 . 15.6) :name "D70")
(:format :d70s :make "Nikon" :pixels (3008 . 2000) :imager (23.7 . 15.6) :name "D70s")
- (:format :d50 :make "Nikon" :pixels (3008 . 2000) :imager (23.7 . 15.6) :name "D70")
+ (:format :d50 :make "Nikon" :pixels (3008 . 2000) :imager (23.7 . 15.6) :name "D50")
(:format :d1x :make "Nikon" :pixels (4028 . 1324) :imager (23.7 . 15.6) :name "D1X")
(:format :d2h :make "Nikon" :pixels (2464 . 1632) :imager (23.3 . 15.5) :name "D2H")
(:format :d2hs :make "Nikon" :pixels (2464 . 1632) :imager (23.3 . 15.5) :name "D2Hs")
(:format :300d :make "Canon" :pixels (3072 . 2048) :imager (22.7 . 15.1) :name "300D")
(:format :10d :make "Canon" :pixels (3072 . 2048) :imager (22.7 . 15.1) :name "10D")
- (:format :d30 :make "Canon" :pixels (0 . 0) :imager (22.7 . 15.1) :name "D30")
+ (:format :d30 :make "Canon" :pixels (2160 . 1440) :imager (22 . 14.9) :name "D30")
(:format :d60 :make "Canon" :pixels (3072 . 2048) :imager (22.7 . 15.1) :name "D60")
(:format :350d :make "Canon" :pixels (3456 . 2304) :imager (22.2 . 14.8) :name "350D")
(:format :1d :make "Canon" :pixels (2464 . 1648) :imager (27 . 17.8) :name "1D")
FORMAT should be defined if the CAMERA-SPEC is the number of megapixels
so the proper aspect ratio is used."
(etypecase sensor-spec
- (keyword
+ ((or string keyword)
(getf (find-format sensor-spec) :pixels))
(number
(sensor-dimensions-megapixels format sensor-spec))))
"Returns the imager dimensions in mm of a FORMAT."
(getf (find-format format-spec) :imager))
+(defun pixel-size (format-spec)
+ "Return pixel size in micrometers."
+ (let ((pixel-dim (pixel-dimensions format-spec))
+ (imager-dim (imager-dimensions format-spec)))
+ (values (* 1000 (/ (car imager-dim) (car pixel-dim)))
+ (* 1000 (/ (cdr imager-dim) (cdr pixel-dim))))))
(defun output-dimensions (format-spec)
"Returns the output dimensions in mm of a FORMAT."
(getf (find-format format-spec) :output))