norm123 Member Joined Sep 18, 2010 Messages 278 Location Montréal Format Multi Format Apr 10, 2015 #1 Hi all Are all Mamiya RB67 C lens have a floating element? I was thinking that only K/L lens have a floating element. I discover from APUG that it is not true. So C lens have a floating element too. Are they some C versions with and without this FE? Regards
Hi all Are all Mamiya RB67 C lens have a floating element? I was thinking that only K/L lens have a floating element. I discover from APUG that it is not true. So C lens have a floating element too. Are they some C versions with and without this FE? Regards
j-dogg Member Joined Jun 26, 2010 Messages 1,542 Location Floor-it-duh Format Multi Format Apr 10, 2015 #2 I know my 50mm 4.5 has one. You have to manually focus it. Wonderful lens by the way
wombat2go Member Joined Jul 21, 2013 Messages 352 Location Michigan Format Medium Format Apr 10, 2015 #3 This RB 67 standard lens does not have the floating element: Mamiya-Sekor C 1:3.8 f=90mm
flavio81 Member Joined Oct 24, 2014 Messages 5,074 Location Lima, Peru Format Medium Format Apr 10, 2015 #4 Only the 50mm and the 65mm lenses have a floating element (on the C series). The 90/3.8 doesn't really need a floating element. But for MACRO performance a floating element is beneficial.
Only the 50mm and the 65mm lenses have a floating element (on the C series). The 90/3.8 doesn't really need a floating element. But for MACRO performance a floating element is beneficial.
MattKing Moderator Moderator Joined Apr 24, 2005 Messages 53,174 Location Delta, BC Canada Format Medium Format Apr 10, 2015 #5 There are two versions of the 65mm C lens, and only the latter has a floating element. The 140mm macro C also has a floating element.
There are two versions of the 65mm C lens, and only the latter has a floating element. The 140mm macro C also has a floating element.
Xmas Member Joined Sep 4, 2006 Messages 6,398 Location UK Format 35mm RF Apr 10, 2015 #6 MattKing said: There are two versions of the 65mm C lens, and only the latter has a floating element. The 140mm macro C also has a floating element. Click to expand... So to summarise 55 65 mkii 140 Each have a floating group
MattKing said: There are two versions of the 65mm C lens, and only the latter has a floating element. The 140mm macro C also has a floating element. Click to expand... So to summarise 55 65 mkii 140 Each have a floating group
Trail Images Member Joined Apr 7, 2010 Messages 3,216 Location Corona CA. Format Multi Format Apr 10, 2015 #7 +1 I have the 50 - 65 - 140......all three have the floating element.....