That lens (or lenses) from your MZ-50 will still fit a Pentax DSLR.
The DSLR options from Pentax are Kr and K5.
Entry level with lots for features and very good performance
Kr - http://www.clubsnap.com/forums/showthread.php?t=778924
Higher end camera; Weather sealed; Mag-alloy body; Dynamic range 14.1stops; Very good high ISO performance.
K5 - http://www.clubsnap.com/forums/showthread.php?t=779971
Both cameras are very affordable wrt the competition as your MZ-50 was years ago.
You can look up review websites for more details.
The DSLR options from Pentax are Kr and K5.
Entry level with lots for features and very good performance
Kr - http://www.clubsnap.com/forums/showthread.php?t=778924
Higher end camera; Weather sealed; Mag-alloy body; Dynamic range 14.1stops; Very good high ISO performance.
K5 - http://www.clubsnap.com/forums/showthread.php?t=779971
Both cameras are very affordable wrt the competition as your MZ-50 was years ago.
You can look up review websites for more details.
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