I am looking as I type at my Ensign Roll Film - Reflex 2 1/4B Anastigmat
Model British Patent No 210531 1922. Don't know if they invented it but
it certainly lays claim to being a SLR - Viewing lens is the taking
lens, lens focus by rack & pinion of image reflected by mirror onto
ground glass cross hair screen (waist chimney viewer). Lever sets
mirror and cocks shutter. Shutter release lifts mirror clear and
operates shutter. No mirror return. Seems a pretty viable SLR for its
day. (of the Ensign, Houghton Butcher, Ross lens pedigree)
Acknowledge that AG said First viable 35mm SLR
Dave
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On
Behalf Of Winsor Crosby
Sent: 28 December 2006 19:06
To: olympus@xxxxxxxxxx
Subject: [OM] Re: Most influential cameras
I know you said "viable", and Nikon owners like to claim credit for
their marque but Pentax invented the SLR six years before in 1953,
invented the quick return mirror in 1954, the pentaprism viewer(no
looking down as with a TLR) in 1957, and through the lens metering in
1964. All significant I think and Pentax was quite viable until the
last decade or so. The Nikon F came late to the party in 1959 piggy
backing on Pentax development. Seems to me that significance should
go to the product and not the marketing.
Winsor
Long Beach, California, USA
On Dec 28, 2006, at 10:00 AM, AG Schnozz wrote:
> 6. Nikon F. First viable 35mm SLR that all others copied and
> improved upon.
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