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DISCLAIMER:
IF YOU SHOULD CHOOSE TO FOLLOW ANY OF THE FOLLOWING DIRECTIONS ON YOUR CAMERA, IT IS DONE ENTIRELY AT YOUR OWN RISK. IF YOU ARE UNSURE AS TO WHOM THE TERMS ‘YOU’ AND ‘YOUR’ REFERS TO- WALK TO THE NEAREST MIRROR AND THAT FACE YOU SEE DIRECTLY IN FRONT OF YOU AS YOU LOOK INTO THE MIRROR IS ‘YOU’ AND ‘YOUR’. I AM NOT RESPONSIBLE FOR ANY OF YOUR ACTIONS.
I recently purchased an adapter to mate M42 lenses to my Olympus E-510. The seller gave me a set of directions referring to the E1 family with a couple of updates supposedly referring to the E-510. Needless to say, they didn’t work. I then found three other sets of instructions on the Internet in various forums. None of these worked, I am assuming the writers had never had an E-510 within fifty yards of themselves and had only reworked what others had written.
What follows is exactly what I found to work with the Dandelion chip and my E-510. They will include how I set the custom aperture and focal length.
These first steps have to be taken first every time a setting is to be changed -they put the camera/adapter into a programming mode -
Turn the camera on
Set the mode to A
Set the focus to MF mode
Press the FN button just below the wheel to the right of the mode dial.
Press and release the lens release button – a simple push and release – do not rotate the lens
Within one second of the above step press and hold the FN button for three seconds
Release the FN button
Press and release the lens release button – a simple push and release – do not rotate the lens
At this point the aperture value should change as the wheel to the right of the mode dial is rotated – if not – turn the camera off and start over. If it doesn’t work after several attempts you may have a different Dandelion chip version than I have.
Note – The above steps have set the camera and chip in to a programing state. The next value entered will access a particular portion of the chip. To set the aperture use f5.6; to set the focal length use f8.0 The focus and the aperture of the M42 manual lens have no bearing on doing the programing. Leave the lens wide open and set the camera to allow shutter trip without the focus LED being active (MF).
Note – After changing either the aperture or focal length turn the camera off. Don’t just start changing the other value – the chip will get a headache.
Below are the steps to be taken AFTER entering the program mode – one set for aperture and another set for focal length (which I am assuming from my experience and Internet comments sets the IS feature value)-
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To adjust the aperture value in the chip
Using the wheel, adjust the aperture value to 5.6 *
Press the FN button and release
a)Turn the wheel to select the first digit of the f value you want – referring to the values below
b)Make sure the lens cap is off and point at a fairly bright light source
c)Press the shutter completely down and release allowing only one shutter action to be completed – wait for the image to be saved on the card before continuing.
Set the second digit and do steps a, b and c again.
Press and release the lens release button
Turn off the camera
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F4.0=0 | F4.5=1 | F5.0=2 | F5.6=3 | F6.3=4 | F7.1=5 | F8.0=6 | F9.0=7 | F10=8 | F11=9
IE to set an aperture of 4.5 the first aperture value is 6.3 the second aperture value is 7.1
Values that can be entered are f1.0 to f8.0
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The value you choose should now be displayed and still there after turning off the camera, removing and replacing the lens and adapter and turning the camera back on
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To set the focal length –
Use the value of 8.0 rather than 5.6 *
Using the same values from the line above set five digits rather than 2
Otherwise each step is the same as for aperture
IE to set a focal length of 135 the values entered would be –
4.0 | 4.0 | 4.5 | 5.6 | 7.1
Values that can be entered are from 00001mm to 65535mm
The popular consensus is – the closer the focal length entered matches the lenses value, the better the IS works – thus it appears to be useful with a zoom lens you would have to fiddle each time you change the zoom value. I only use primes with these adapters. The default is said to be 65535mm, so either turn off the IS or set the value correctly before trying any actual photography. I was having a heck of a time the first time out after mounting the adapter with its original f2.8 and 65000mm+ setting. I was getting very out of focus and fuzzy results when the aperture was stepped down to 4.0 or smaller.
Using a Sears 50/1.4 I set the aperture for 2.0. I’ve found this setting to be useful with the RAW format from an actual 1.4 to 2.8 lens setting. The lens FL I set to 50mm.
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DISCLAIMER:
IF YOU SHOULD CHOOSE TO FOLLOW ANY OF THE PRECEEDING DIRECTIONS ON YOUR CAMERA, IT IS DONE ENTIRELY AT YOUR OWN RISK. IF YOU ARE UNSURE AS TO WHOM THE TERMS ‘YOU’ AND ‘YOUR’ REFERS TO- WALK TO THE NEAREST MIRROR AND THAT FACE YOU SEE DIRECTLY IN FRONT OF YOU AS YOU LOOK INTO THE MIRROR IS ‘YOU’ AND ‘YOUR’. I AM NOT RESPONSIBLE FOR ANY OF YOUR ACTIONS.