[ ASTROTRACER Tracking Time (approx.) ]
K-5
Declination Focal Length
(°) 200mm 100mm under 50mm
90 300 300 300
45 160 290 300
0 110 240 300
<sec.>
K-r
Declination Focal Length
(°) 200mm 100mm under 50mm
90 300 300 300
45 80 200 300
0 80 170 300
the format of table has changed but they are saying up to 300 seconds at 200mm 90 deg declination, see original here
http://www.pentax.jp/english/news/2011/201107.html
regards brad