[rollei_list] Re: Ground-glass image on 3.5 Tessar vs. 3.5F Planar

  • From: Eric Goldstein <egoldste@xxxxxxxxx>
  • To: rollei_list@xxxxxxxxxxxxx
  • Date: Wed, 2 Feb 2011 12:14:26 -0500

Hi Adam -

The condition of the front surface mirrors in our TLRs varies widely
and often deteriorates and causes light loss. That said, please do not
attempt to clean yourself as they are extremely delicate...


Eric Goldstein

--

On Wed, Feb 2, 2011 at 12:09 PM, Adam Gori <adamgori@xxxxxxxxx> wrote:
> I haven't checked the mirror. I know the mirror can affect focus, but how
> would it affect the brightness of the viewing screen?
>
> On Wed, Feb 2, 2011 at 11:45 AM, Eric Goldstein <egoldste@xxxxxxxxx> wrote:
>>
>> Hi Adam -
>>
>> Have you checked the mirror?
>>
>>
>> Eric Goldstein
>>
>> --
>>
>> On Wed, Feb 2, 2011 at 11:43 AM, Adam Gori <adamgori@xxxxxxxxx> wrote:
>> > The ground-glass image on my Rolleiflex 3.5 mx-evs tessar is *quite* a
>> > bit
>> > darker than on a 3.5F planar that I just received.
>> >
>> > Both cameras have Maxwell screens installed, so I would think that both
>> > would be equally bright. Or not?
>> >
>> ---
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