The double notch indicates the Acute Matte D.Also, I noticed that there are models with double notch on the frame, does it mean anything? Are they better, brighter in any way?
Thanks, kal800
The standard (old) Hasselblad screens have cross hairs in black painted, while the acute mattes have scribed cross hairs. Of course there will be some 3-rd party screens with scribed lines too, but for the most part, the the after-market people did not use cross hairs.... there is no way to tell the difference between standard and Acute Matte from the auction photos....
I'm also interested in replacing the screen in my 1970 (last year model) 500C. I've read varying accounts of the degree of difficulty, and necessity for shimming, but it appears to be within my repair abilities. Does anyone have advice on which models will retrofit to the 500C, and how to distinguish the genuine article from something mislabeled or mispackaged?
Andy
My personal opinion: I don't like the split rangefinder on Mr. Oleson's screens, the ones I have are not as nice as OEM. I would suggest one of his screens without.I did a little research on this a few months ago and I concluded the best replacement screen would be Rick Oleson's BrightScreen, because of its relatively low price. He will cut you one for a 500C if you contact him. I believe it is descended from Beattie's BrightScreen. That said, I have heard that one should take great care when replacing a screen in a 500C. They are held in with 4 screws that have a reputation for being fragile. If the screws break, the camera is a brick. Someone in an old thread said that Hasselblad in NJ stopped doing screen swaps on 500Cs at some point for this reason. I don't know if that's true but I didn't trust myself to do it myself, so I decided if I do it I'll take it to a professional. My local camera repair shop, Camera Center of York, said they'd do (and they have an autocollimator!) for $50.
In the end, I ended up getting a 500C/M that I saw on sale for $200 to avoid the hassle. No pun intended with Hassleblad. Interestingly, my biggest issue with the 500C screen, which is how coarse the fresnel is, is resolved in the 500CM screen!
Changing the screen is pretty easy, 4 screws and the whole thing comes out (frame, screen, fresnel, springs). Putting a new screen back in isn't that difficult either, but re-calibrating it is the tricky part. The 4 screws are spring loaded and set the height of each corner of the screen, you need a optical bench, or a Hasselblad calibration jig, or a very good infinity object with a known lens that has and accurate infinity stop to get the screen back in place. I have used the moon on a clear night with a good telephoto lens to get the screen right.I'm also interested in replacing the screen in my 1970 (last year model) 500C. I've read varying accounts of the degree of difficulty, and necessity for shimming, but it appears to be within my repair abilities. Does anyone have advice on which models will retrofit to the 500C, and how to distinguish the genuine article from something mislabeled or mispackaged?Andy
Any others? It seems that 42215 is a ultimate dream screen, while 42170 should be value for money choice.
What is the visual or transmission difference between D and non-D screens? I have a 501CM body with an Acute-Matte screen and will check if it has the notches.From my short research, I have found the following models available:
42204 - Acute Matte D - cross
42215 - Acute Matte D - prism, split
42217 - Acute Matte D - prism, split, grid
42165 - Acute Matte - cross
42170 - Acute Matte - split, grid
Kal800
Transmission is the same. Visually, the "D" is supposed to "snap" a little better at the moment of critical focus. One of the complaints about the Acute Matte prismatic screens was that there was a tiny bit of aerial image, and to achieve critical focus, you had to compare the view with the cross hairs. The "D" resolved this issue.What is the visual or transmission difference between D and non-D screens?...
What is the visual or transmission difference between D and non-D screens?
How do you focus using cross hairs? I use to focus using split screen in most cases.
Unfortunately that appears to be the going rate at the moment. I agree, awfully expensive.What's a good price? I can't seem to find any much below $400 and I refuse to pay that much since my whole 500 C/M only cost about $800.
It is what it is. I just bought a 500 C/M with 80mm CF T* and A12/matching numbers and paid just about 3x what you paid. You only live once...The prices are crazy. When I was building my Hassy set in 2011, I paid about $500 for 501C with Planar 80 CF and A12 with matching numbers. Year later I’ve bought very good condition Distagon 50 LFE for $300 and now I’m buying a focusing screen for $350...
Parts are becoming really scarce while demand is constant.
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