I chose the CF lens and would again because, it works fine with the B60 filters and is of excellent optical qualityI’m in the market for a gently used Hasselblad Distagon 50mm for my 203fe. And I’m trying to choose between the CF f/4, the CF f/4 FLE, the CFi f/4 FLE, and the FE f/2.8.
I noticed that while the CF f/4 FLE lens has a front mount that will accept a standard B60 lens cap, the literature from Zeiss indicates that it takes a 93mm drop-in filter. Meanwhile, the CFi version of the same lens uses a B70 lens cap and B70 filters. And to top it all off the FE lens has a thread that accepts 86mm threaded filters, but again the information from Zeiss says it is designed for 93mm drop-in filters.
First of all. I never plan to stack more than one filter on the front of this lens. Most often, I would use either a Yellow #15 contrast or an Infrared. But at the same time I don’t want to get any vignetting when I use my filters. I already own a set of B60 filters that I use with my 80mm and 180mm CFE lenses. So I’m tempted to go with the CF version of the 50mm. But that is backwards thinking.
My first question is this: Why did Hasselblad go from a B60 to a B70 front mount diameter when updating to the CFi series? Were there problems with vignetting on the CF and CF FLE lenses? From a cursory glance, both the CF FLE and the CFi seem to have the same optical formula, so I’m surprised to see they use different filters at all.
And second, besides the extra stop, are there any advantages to going with the FE? I notice that there were two versions of the FE lens made, one in West Germany and one in Germany, with the latter one weighing slightly less. I took a look at a copy of the West German 50mm last year, and was disappointed to see that the front element rotated as the lens was focused. Does anyone know if the same is true for the newer version?
Which would you choose and why?
I've owned the C, CF and F, and used all versions, but not all sub-versions. Personally, I think the CF FLE is the nicest compromise ...
They are all decent lenses. The FLE has better correction at close focus due to the floating element. The F/FE has an automatic floating element and 1 stop brighter. The v2 FE front barrel does not rotate during focus. Thus the v2 FE is probably the most advanced lens optically and mechanically (as long as you don't need a leaf shutter)
On both those, a tall B60 (CF FLE) or 86mm (F) will start to vignette at wide apertures, resulting in slightly darker corners (which are probably not noticeable). On the 50F, a thin 86mm filter does not vignette.
I chose the CF lens and would again because, it works fine with the B60 filters and is of excellent optical quality
My understanding is that Hassy indeed moved from B60 to B70 to reduce vignetting. Both CF and CFi have the same optical formula per the datasheets (see hasselbladhistorical.com).My first question is this: Why did Hasselblad go from a B60 to a B70 front mount diameter when updating to the CFi series? Were there problems with vignetting on the CF and CF FLE lenses? From a cursory glance, both the CF FLE and the CFi seem to have the same optical formula, so I’m surprised to see they use different filters at all.
I like the looks of CF lenses better but that's just me
The 93mm filters are necessary for both the 350mm and 500mm CF lenses.
I have the filters for the 500mm lens, but frankly I do not use the lens often. Consider that both of those lenses need a tripod, the perhaps the 2XE extender, an orange filters [two f/stops] or a red filter [three f/stops], correction for the Zone System, ... soon you are out of f/stops. On the positive side, carrying the 500mm lens around is part of my physical fitness program.
The 93mm filters are necessary for both the 350mm and 500mm CF lenses.
I believe you can use standard 82mm threaded filters with the 350mm lens, if you remove the lens shade.
Have you tried the 100 mm square filters with either lens and what is your opinion on these, one way or another, for those two lenses.
IMO.
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