Timeline for Why did Pentax change to open-aperture metering when this causes the need to stop-down for old lenses?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 26, 2015 at 4:56 | comment | added | Bruce Bracken | Weight, cost, complication/reliability, and relatively small demand. Measurement systems, materials have all improved since those days and most people have only a fleeting interest in the old technology. Of your Pentax me were to cost $100 more to buy and weigh 25% more, would it still be as attractive a proposition? | |
| Mar 25, 2015 at 23:05 | comment | added | Alex | Thanks, but why can't cameras have both? Is it just a cost savings thing, or does open-aperture metering interfere with the "aperture simulator"? | |
| Mar 25, 2015 at 15:08 | comment | added | coneslayer | I'll add that in the Pentax system, the mechanism needed for old lenses to meter wide open is called an "aperture simulator," and Pentax/Ricoh have never put one in any model of DSLR. | |
| Mar 25, 2015 at 13:58 | history | answered | Bruce Bracken | CC BY-SA 3.0 |