Have you not seen an H leaf shutter? It really is quite small! There is a picture of one in the article below.
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- As for a larger / heavier lens and the other - points... I would say you are clutching at straws.
Lifetime.. The H leaf shutter has a recommended service interval of 100,000 exposures.
The weight/size of the shutter itself is not really the issue. Designing a lens around a lens-shutter requires a different design that most often ends up more than a little larger and heavier. Take for instance the difference in weight and size between the Phase One systems 80mm lenses: the leaf shutter lens version is 35% heavier and 20% larger.
330g - Phase One 80mm D (f/2.8)
450g - Phase One 80mm D Leaf-Shutter (f/2.8)
475g - Hassy HC 80mm Leaf Shutter (f/2.8)
495g - Phase One 45mm D (f/2.8)
530g - Phase One 55mm D Leaf Shutter (f/2.8)
975g - Hassy HC 50mm Leaf Shutter (f/3.5)
For someone packing a body/back and 3-5 lenses for a landscape backpacking trip these weights can make a very large difference in their overall experience.
[I'm thinking now I'm going to make a chart, so I'll spare the board from 10 more entries like the above]
Actually as far as I can tell of the ten lenses for which there are near-equivalents between Phase/Schneider and Hassy/Fuji the Phase or Schneider lens is less heavy and smaller in almost every case. The 28mm lenses are an exception, but the Hasselblad 28mm does not cover a full-frame sensor/film and lenses for smaller formats are generally smaller.
Let say over five years (1825 days), you would need to shoot 55 exposures every single day to reach 100,000. It is extremely rare we ever receive lenses in for shutter servicing, unless they are used in situations like aerial photography.
We rent a lot of Phase One P30+ and Phase One P40+ on Hasselblad H2 bodies in Miami and I completely agree that the shutter life on these lenses is very good. It would not concern me one iota if I was buying a new HC lens); however, it will impact the used market especially in the long run of system ownership.
Your other points are well taken and a great contribution to the pros and cons to each type of shutter. Having the ability to use either type of shutter in the Phase One DF body has only further exposed me to the benefits of using the right equipment for the right job, and I, like anyone else, am still learning
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Doug Peterson (e-mail Me)
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