The glass isn't bigger, just the barrel. Don't know why Pentax made it that way. BTW, many of the K lenses can use 49mm filters and lens hoods with a step down ring. There is no vignetting ;-))
[EMAIL PROTECTED] wrote: > If the K28/3.5 IS the same as the SMC Takumar > screw-mount, can anybody explain why it is > noticeably BIGGER?
