snaggs
Member
Quick question. Is there any reason a Rollei 6008 with mirror lockup wouldn't be as good as a TLR for taking photos handheld in low light?
Daniel.
Daniel.
snaggs said:Quick question. Is there any reason a Rollei 6008 with mirror lockup wouldn't be as good as a TLR for taking photos handheld in low light?
Bentley Boyd said:I may be wrong, but I believe that on S.L.R.s by the time the mirror has reached the end of its travelQUOTE]
I'm afraid you are! With an SLR, the mirror has to black out the viewfinder by pressing firmly against the light seals on the underside of the screen, so it has to finish its stroke before the exposure is made. It may well be that subjectively most of the noise and vibration made by the mirror occurs as it comes down again (assuming it's instant-return type) but there's plenty of potential for vibration on the up-stroke too. Not only this, but a focal-plane shutter is inherently more prone to vibration than a leaf shutter, which is symmetrical and therefore (theoretically at least) self-cancelling in terms of vibration.
Never used a 5x7 Graflex, have used Ensign 1/4-plate reflex, imagine the design is similar in that the mirror is raised by thumb power. If so, it is relatively easy to raise the mirror fairly quickly but gently and minimise mirror slap. Maybe it's just me, but I have found mirror slap has ruined pictures with every second-hand 35 mm SLR I ever owned (including Nikon F3, FM, FE). As a result, I vowed never to buy a second-hand SLR again, only new ones which I get rid of after 10 years.df cardwell said:The mirror issue, in my experience, is a theoretical, intellectual possibility
that I was simply unaware of before the internet. Before that, I just shot my 5x7 Home Portrait graflex and got great results. And, brothers and sisters, if that camera ain't the Prince of Mirror Slap, I'm Elvis.
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