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Forum: Pentax Medium Format
12-29-2008, 10:10 AM
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My less traveled 67II body is posted in the marketplace with a few photos.
The green photo (sorry bad scan with pitiful color cast) was shot at f22 with the 45mm ultrawide angle. Foreground is about 18" away and diffusion is barely noticeable--I'm looking at a 30"x40" right now. The macro shot was made with the 100/4 Macro with lifesize teleconverter and probably f22. Also looking at a 30x40 of that and it's scary sharp. The slot canyon was done with 45mm at f22 and the winter trees were shot through the M*300/4 ED at either f16 or f22. The 6x7 format is really fun! Don't be afraid to stop down!
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Forum: Pentax Medium Format
12-28-2008, 09:52 PM
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Well, there's more to the math stuff. Recently on another thread we had some discussion regarding depth of field. Misere and gooshin had great input...
As soon as you look through the viewfinder you'll notice the "halving" of the lens length vs 35mm--a 100 is like a normal 50 on 35mm. That's the easy part. You're first roll or even while checking depth of field you'll find that it also seems to be cut in half. So those wide open shots with defocused background are easier to achieve even at f4 or f5.6, but you'll want to stop down more than you do with 35mm for equivalent depth of field. I notice it severely with macro and landscapes, but you'll even notice the "halved" depth of field on portraits--watch out for soft noses and ears, or softer hair highlights than you may want.
Further, in this world of yin and yang, MF requires stopping down more to "recover" depth of field relative to what you are used to with 35mm. But MF lenses also can stop down a stop or two farther than 35mm lenses before diffusion becomes a problem. I commonly shoot landscapes at f22 with minimal loss of resolution through the 45/4 (if you are skeptical I can suggest examples on my website--sorry I'm not bright enough to link it here).
Now I'm all fired up for you to shoot a roll. The first roll will bug your eyes out on a light table. Go to your local camera store and try a used 67 lens just to burn a roll at their shop...Doesn't every camera store have a couple dusty 67 or 6x7 lenses in a corner somewhere?
After my first roll in '99 or '00 through a 67II, I practically stopped carrying my 35mm and FA* & Limited lens collection. Pretty much went MF for two or three years (other than wildlife stuff requiring the big superteles) and still reach for it when I feel a shot is important. Took MF to Inuit whaling camp 450 miles North of the Arctic Circle; around Northwest Territories a few trips; Alaska a few trips; all over Alberta, BC, the Pacific Northwest. Sure glad I did. My work has been more thoughtful and therefore better with MF. Pretty sure you'll have your own version of a MF epiphany. It's just so rewarding I can't wait for you to experience it. I'm so excited for you that I'm kindof like a wagtail puppy dog so fired up it pees on the floor...go get a lens and shoot!
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Forum: Pentax Medium Format
12-27-2008, 08:28 PM
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Congratulations! Welcome to a new world. This should be a fun ride for you. Even if you do lots of black and white (seems I've seen some of your black and white stuff posted?) make sure you shoot a roll of transparency film right away, just to see the images with the naked eye and hopefully through a loupe too. Viewing negatives just doesn't have the same "wow" factor--at least not through my eyes.
Wheatfield's advice is dead-on, though I was only thinking as deep as the first two options--105/2.5 and 165/2.8. The fashion guys do killer work with the 105. I have a "portrait guy" friend who loves the 165. Best news is both lenses are currently selling very inexpensively...but don't let the prices fool you. These two are inexpensive but don't shoot that way. Also, if you are going to want to play with flash much, the 165 LS allows much more latitude in shutter speeds with flash...but I'm flash ignorant so maybe just use this advice as an excuse to research a little bit regarding flash and leaf shutter lenses on the 67 body.
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