Re: Rikenon lens matching (& colour casts)

[Greg Erker <erker@xxxxxxxxxxxxxx>]

>>   The results are that the Erker lens magic appears to
>> be still holding
>
>So, you had some doubt that it would?  8-)

  Just a little :)  Especially after Don Lopp
saying he needed 7 or 8 Dia's to get a matched
pair....unless he also was trying to get ones
with matched shutter speeds.


>> Let's call Lens #1 the reference. So the relative FL's are:
>> #2: 0.53% bigger image based on diags, 0.34% based on H&V.
>> #3: 0.36% bigger image based on diags, 0.23% based on H&V.
>> #4: 1.13% bigger image based on diags, 0.92% based on H&V.
>> #5: 0.24% bigger image based on diags, 0.58% based on Vert only.
>
>
>Well, looks to me like either you really do have the best (lens) karma
>in the universe or production tolerances were quite a bit better than we
>have been led to believe...

  I look forward to hearing what lens tolerance
Bob finds on his Rikenons. And if he tells us the
serial numbers we can see if it follows my pattern.

  BTW I looked at all 5 lenses on my light panel
last night. The colour casts seem to be all the same.
The front elements seem a tiny bit yellow and the
rears are neutral.  I'm not a colour matching expert
so YMMV or even my MMV when I take some photos with them.

Greg