[LargeFormat] Lens cleaning advice required

[Bob Adler]

Gavin,
I've always had trouble with ROR leaving residual
cleaning marks. I find the ClearSight product, which
Jim Brick suggested, to be far superior; no marks left
and the glass sparkles.
Good luck,
--- Les Newcomer <LNPhoto@twmi.rr.com> wrote:
> I can almost think of two of them, one was ROR came
> in a spray bottle 
> the other was a wet lens tissue  that was very good.
> It was made in 
> Germany (maybe even West Germany, to give you an
> idea how long its 
> been) but can't remember the name.  It was VERY good
> at removing oil.  
> I heard once that Minolta uses a combination of
> ether and ethyl 
> alcohol.  Bet they don't smoke much in that
> department.
> 
> 
> Les
> 
> :
> >
> >> Hi Lads
> >>
> >> I picked up a fairly cheap (around $360 USD
> including caps) Rodenstock
> >> Grandagon 90mm f6.8 from a local seller recently.
> Apart from some
> >> delamination around one of the internal elements
> it seems to be in a
> > fairly
> >> reasonable condition. I've shot some film through
> it and it seems to 
> >> be in
> >> order.
> >>
> >> Homever there are some faint oil/grease marks on
> the glass that I'd 
> >> like
> > to
> >> remove. I'm guessing they're probably fingerprint
> residues(?)
> >>
> >> Is there an easy way to remove this residue? I
> tried using an
> > off-the-shelf
> >> window cleaner but it left some streaking on the
> glass (removed with
> >> water). Any advice on "LF lens cleaning best
> practice" would be 
> >> greatly
> >> appreciated.
> >>
> >> Best regards,
> >>
> >> Gavin
> >>
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=====
Bob Adler
Palo Alto, CA
rgacpa@pacbell.net