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Pentax SDM to Screwdrive Autofocus Conversion
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- เผยแพร่เมื่อ 8 ส.ค. 2021
- Hello everyone, this video demonstrates how to complete the SDM to screw drive auto focus conversion for the older Pentax camera lenses!
Here is what you'll need:
(I do not own or maintain these programs; use at your own risk)
PKTether: drive.google.c...
^^^ Link may be dead.
Try blacknight659's github: github.com/bla...
Click on the 'PK_Tether_0_7_0.zip' link and then click on the 'View Raw' link at the bottom to download the files
Debug Files: www.dropbox.co...
^^^ Link may be dead.
Try blacknight659's github: github.com/bla...
Click on the 'enable Debug Menu.zip' link and then click on the 'View Raw' link at the bottom to download the files
Big thanks to blacknight659!
Notepad++: notepad-plus-p...
Pentax I-USB7 USB Cable
List of compatible lenses:
smc PENTAX-DA* 16-50mm f/2.8 ED AL [IF] SDM
smc PENTAX-DA* 50-135mm f/2.8 ED [IF] SDM
smc PENTAX-DA* 200mm f/2.8 ED [IF] SDM
smc PENTAX-DA* 300mm f/4 ED [IF] SDM
Compatible cameras (I think):
K-5 IIS
K-5 II
K-5
K-r
K-20D
Time stamps:
1:12 - Skip background
1:41 - Download PKTether and connect camera to computer
2:24 - Enter camera into debug mode
2:44 - Download debug files
3:21 - Access development menu(4) and extract lens data
4:14 - Make backup of .LNS file
4:43 - Replace C0 with 80, but only in column 03
6:20 - Upload the edited code into the lens
7:00 - Exit debug mode and format SD card
7:21 - UncleVanya Conversion Service: www.pentaxforu...
Send us stuff!
Stephen Foster
PO Box 99900 WU 227 122
RPO Meadowbrook
Edmonton AB T6T 0W4