rec.photo.equipment.35mm

Re: First time owner of a 35mm Camera


On Mon, 19 Mar 2012 12:15:46 +0000, Pete A
<pete3.attkins_at_nospam.ntlworld.com> wrote:
>On 2012-03-19 03:21:50 +0000, Eric Stevens said:
>
>> On Thu, 15 Mar 2012 15:28:33 -0400, "K W Hart" <kwhart1_at_verizon.net>
>> wrote:
>>
>>>
>>> "David Dyer-Bennet" <dd-b_at_dd-b.net> wrote in message
>>> news:ylfkbonxvi3m.fsf_at_dd-b.net...
>>>> "Geoffrey S. Mendelson" <gsm_at_mendelson.com> writes:
>>>>
>>>>> David Dyer-Bennet wrote:
>>>>>
>>>>>>
>>>>>> I believe all the Nikkormats had vertical shutters. The Ft, which was
>>>>>> quite early, is described as having a vertical shutter and 1/125 sec
>>>>>> flash sync in multiple online sources, for example. I remember the FTN
>>>>>> as having 1/125 sync as well, and I believe that was always a sign of
>>>>>> a vertical shutter.
>>>>>
>>>>> Yes. I think the Ft was the first. It's predecssor was the Nikkorex F,
>>>>> which
>>>>> was made by Mamiya for Nikon. I believe the shutter was made by Copal.
>>>>>
>>>>> The Nikkormat Ftn, was an Ft with center weighted metering. This matched
>>>>> the
>>>>> metering of the Photomic Ftn finder on the F.
>>>>>
>>>>> The same shutter was used in all the Nikkormats (Ft, FTn, Ft2, Ft3) and
>>>>> an
>>>>> electronicaly timed version was used in the EL and EL2.
>>>>>
>>>>> If not the same, very similar shutters were used in the FM and FE.
>>>>
>>>> They did move faster; sync at 1/200 and then 1/250th.
>>>>
>>>>> The cameras with curtain shutters (F/F2/F3) had a top flash sync of
>>>>> 1/90th.
>>>>
>>>> The F at least was 1/60, which was the common standard on all the
>>>> horizontal cloth-curtain bodies I've owned (Miranda Sensorex, Leica M3,
>>>> Pentax Spotmatic) and many I've read up on or examined.
>>>>
>>>> The F3 had 1/80 sync speed according to multiple online references (I
>>>> never owned one).
>>>>
>>>> I think the F2 initiated the 1/80 sync speed, but I never owned one of
>>>> those, either, and online references aren't quite as clear to my eyes
>>>> (photos of F3 shutter speed dials are pretty clear).
>>>> --
>>>> David Dyer-Bennet, dd-b_at_dd-b.net; http://dd-b.net/
>>>> Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/
>>>> Photos: http://dd-b.net/photography/gallery/
>>>> Dragaera: http://dragaera.info
>>>
>>> Other than the faster sync speed, does anyone feel there is an advantage for
>>> horizontal or vertical focal plane shutters?
>>>
>>> Most of my experience is with horizontal shutters in the Canon FX camera. I
>>> have a vertical shutter camera, the Kiev 88, but I really can't compare a
>>> 35mm SLR to a 6x6 SLR.
>>> From a mechanical perspective, it seems to me that a horizontal shutter in a
>>> 35mm SLR would be simpler to build: the action that winds the shutter- the
>>> film advance- is turning parallel to the shutter drums. For a vertical
>>> shutter, that motion has to be translated ninety degrees. Similarly, the 6x6
>>> SLR has the film advance on the side- the film runs vertically- so the film
>>> winding motion is the same direction as the shutter motion.
>>>
>>> So is there a particular advantage to one shutter direction over the other?
>>>
>> If you are into panning the camera the shutter should move in the
>> same direction as the object you are following.
>> http://1.bp.blogspot.com/-GcSv2vqzafg/TyZYdvaDglI/AAAAAAAARrE/uNeh45Ng-Ts/s400/lartique.car.jpg
>>
>> Shows the result of a vertical shutter where the panning speed did not
>> even match the speed of the car.
>>
>> `I've always thought there was something strange about this photogarph
>> and wondered if it was Photoshopped.`
>
><http://en.wikipedia.org/wiki/Rolling_shutter>
>
><http://www.tuaw.com/2010/08/26/rolling-shutter-effect-can-make-stunning-iphone-photos/>
>
>
><http://www.dpreview.com/news/2011/7/15/iphonerollingshutter>
I once used a Graflex (1/4 plate) from the top of a bank above a road
to photograph a car charging up the road in a hill climb. The car
crossed the negative at such a speed that the slit in the shutter
blind never caught up with it. The result was a photograph of a length
of empty road.
Regards,
Eric Stevens




Written by Eric Stevens 20/03/2012 11:07:50
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