[rollei_list] Re: Serial Numbers
- From: CarlosMFreaza <cmfreaza@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Wed, 11 Aug 2010 17:06:09 -0300
Robert:
It still is model 3 for Prochnow (general SN block from
2299547 to 2814999 made from 1965, Rollei used the numbers within the
SN blocks for different products most of the times, it could cause
confusion) and model 4 for Parker and type 3/4 for Evans, these
authors change the model/type number according they consider more
significant or less significant some features added or removed from
the same basic model along its production.
Perhaps your camera has the 12/24 220 film lever from factory or at
least it has the crank side panel with the "ear" to install it, this
is different regarding to install the lever in the strap hanger area
like for previous models.
Carlos
2010/8/11 Robert Meier <robertmeier@xxxxxxxxx>:
> Carlos,
>
> My 3.5F is serial number 2806579. Is it a model 4? What diffferences are
> there?
>
> Robert
>
> On Aug 11, 2010, at 2:19 PM, CarlosMFreaza wrote:
>
>> 2010/8/11 Kenneth Frazier <kennybod@xxxxxxx>:
>>>
>>> I posted a while back about serial numbers and the apparent inconsistency
>>> among websites.
>>
>> Hi Ken
>>
>> Your camera is a 3.5F model 3 (Prochnow-Parker) or type 3 (Evans). It
>> is within the general SN block 2250000 to 2299546 like my 3.5 F
>> (2279xxx), block manufactured from November 1960 to 1965 (yours is
>> closer to 1965). The main difference (among a few others) regarding
>> the previous models 3.5F model 1 and model 2 is the shutter, 1 and 2
>> have the Compur size 00 “Differential” or “Planetary” shutter, a large
>> shutter with gears to couple shutter speeds and f stops with the
>> lightmeter that required to increase viewing and taking lenses
>> distance from 42mm (3.5E or C and others 3.5) to 45mm like the 2.8/80
>> taking lens models. A similar shutter size 0 for the 2.8F prototype
>> had no room in the camera body and then Rollei developed the
>> “Kegelrad- Differential”, a little bulb/cylinder plenty of little
>> gears behind the f stops wheel that allowed to couple the lightmeter
>> using the normal shutter and then it was possible to manufacture the
>> 2.8F.
>> The 3.5F model 3 also received the little Kegelrad-Differential to be
>> used with the normal 00 shutter, the larger planetary shutter was no
>> longer used, but it kept the 45mm lenses distance.
>>
>> Your camera has the Planar 3.5/75 6 elements and other features like
>> automatic DOF indicator, the already mentioned coupled lightmeter,
>> selftimer, interchangeable viewing hood with two magnifiers and
>> interchangeable focusing screen, tab lock for flash cord and a shutter
>> release button lock that also works like a “T” shutter speed from “B”,
>> it is still prepared to receive the Planglas for the film plane. It
>> could be adapted to use 220 film like previous models.
>> Does your camera have the focusing knob with feet and meters scale?
>>
>> Carlos
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