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02-14-2015, 06:59 PM   #1
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645 55 2.8 SMC A any good?

I just got the 645 manual focus version at an estate sale with the 45 and 75 lenses. Looking through the viewfinder, it looks like the 45 is going to be a little too wide for a general wide angle. How is the image quality of the 55?

02-15-2015, 12:04 AM   #2
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The 55 is a good lens. I like the 45 for landscape and the 55 for architecture. I could never get my hands on a 35.
02-15-2015, 06:26 PM   #3
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OK thanks AquaDome. I'll be looking for the 55.
02-19-2015, 07:37 AM   #4
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If you're considering an A series lens, you might want to go with a late model 67 55mm; not as bright, in theory, but tack sharp across the 4x5 sensor range. Of course, if you stop down the 645mm at all, the the light advantage goes away. Of course, it's bigger and heavier (like me- 6'2", 200lb plus), so the size and weight may be a drawback for some users. But the price and optical quality won't be. I use the 67 75mm AL and the 55mm F4 on my 645's, and really like the way they render. YMMV, and all...

02-19-2015, 02:03 PM   #5
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QuoteOriginally posted by jonmarsh Quote
If you're considering an A series lens, you might want to go with a late model 67 55mm; not as bright, in theory, but tack sharp across the 4x5 sensor range. Of course, if you stop down the 645mm at all, the the light advantage goes away. Of course, it's bigger and heavier (like me- 6'2", 200lb plus), so the size and weight may be a drawback for some users. But the price and optical quality won't be. I use the 67 75mm AL and the 55mm F4 on my 645's, and really like the way they render. YMMV, and all...

Won't the 67 55mm have a 'crop factor' on the 645 system though?
02-19-2015, 06:20 PM   #6
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The 645 55 f/2.8 and the 67 55 f/4 will have the same magnification and angle of view when used on a 645 body.
02-19-2015, 10:19 PM   #7
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I bought the 55 2.8 SMC A from Aqua Dome. It should be here in a few days. There's a car show near me on March 7. I'll have the 645 loaded with HP5 and the 55 and polarizer mounted. :-)
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