The 6x8 back only gives you a (nearly) 6x8 negative if your camera has the 6x8 compatible revolving adapter (many do) and even then, you only achieve that size in one of the two orientations - portrait, IIRC.
Does anyone use the Fuji GX680 hand held? Amazing camera with an amazing array of lenses and accessories. I have carried mine all over Canada and it is heavy but the results are worth it.
I had a gx680 for a couple of years, but i never carried it very far. However, the largest framed photo in our living room was done with it (2' x 3' of Westminster Abbey in BC). I used a berlebach tripod with it always. gx680's are abundant and dirt cheap now, but I would never go back, due to the weight (and the insane beeping when inside a church). But I miss the larger chromes, so last week, I ordered an RZ67 with a 75mm shift lens. I suspect it'll weigh about 2/3's or half of what the gx680 weighed. It won't have quite the rise that the gx680 had, but perhaps I'll be able to lug it around a bit further. And I might even be able to use my carbon fibre tripod instead of the heavier and more unwieldy berlebach.
It is a heavy camera and even though I am now 72 I still find I can carry it around. I use it mainly with soft focus lenses - I have a wonderful Verito in a Gx680 shutter - and I find hand held and being able to move camera quickly allows me to get the best effects. I use it on a tripod when taking static subjects but I prefer hand held. I also have a RZ67 with a range of lenses including soft focus (Imagon) and it is a good camera.
So after purchasing the RB67... well, it's definitely a heavy sucker. I have recently also learned that I'm the kind of person who can't really work with the flipped image when looking into a waist level finder. Therefore, I needed to put the RB67 prism finder, which weighs probably as much as one of my Sigma lenses.
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I too do not like the flipped image, so I used a prism on the Mamiya C330. For that reason, I bought a prism when I bought my Hasselblad. I have never used the wlf except as ballast to balance out the camera pack.
After some work, I'm starting to slow down and use the WLF... simply because the sheer weight of the prism and handgrip makes it so I can only carry it around for moments at a time. It's heavy and it's also very chunky too, making it difficult to store away quickly without disassembling it.... OR by making is so my backpack can only have two things: my wallet and the RB67 w/ prism finder. Nothing else :/
The WLF definitely throws me off still but I'm now forcing myself to use it. The weight savings usually means that I can bring a Leica, a light mirrorless digital and an extra film back as well as the RB67 + WLF... and yes, the wallet too.