Jun 19, 1. LIKES 0. Jun 19, 2. Some FD lenses have slightly better optical quality. Jun 19, 3. Permanent ban. Ltdave Ltdave it looks like im post 19, Jun 19, 5. Jun 19, 6. ZoneV ZoneV Goldmember. Jun 20, 7. Jun 20, as a reply to ZoneV's post 8. Jun 20, 9. Ltdave wrote in post I don't believe plastic will EVER match glass for optical transmission quality and you know many of the EF and EF-S lenses have plastic elements in order to keep weight and cost down Jun 20, ZoneV wrote in post There are differences between glass and plastic.
ZoneV wrote in post Yes I do: Some of the aspherical lenses are molded plastic aspheres, and some hybrid lenses with a part of plastic. Jun 21, It does leave open the question of whether any that do contain plastic or hybrid aspherical elements are FD, EF or EF-S lenses though,..
The bigger question is whether the presence of such a plastic element is in any way detrimental to the image formed when compared to a lens which contains the same element made from glass, something which almost certainly does not exist, rendering the question rather moot EF lenses - the difference in optical quality?
Jump to forum Not a member yet? Registered members may log in to forums and access all the features: full search, image upload, follow forums, own gear list and ratings, likes, more forums, private messaging, thread follow, notifications, own gallery, all settings, view hosted photos, own reviews, see more and do more Don't be a stranger - register now and start posting! Jun 19, 1 It is between EF and FD lenses some kind of appreciable difference, unless the absence of AF and all the other electronic gadgets in FD lenses, if we consider optical quality of lens only - optical aberations, transmission of contrast, vignetting, bokeh, etc etc?
Jun 19, 2 Some FD lenses have slightly better optical quality. Jun 19, 3 Permanent ban Each lenes regardless of type, vintage or even serial should be considered more correctly as an individual system mached to camera. As FD uses manual focus mount technology, it requires a simple passive adapter, which is not expensive.
The EF lens is electro-focus; hence it requires a more expensive active adapter that allows the camera to adjust it. Later on, both perform significantly better as you increase the aperture diameter. The main difference we can see is between the images rendered by these lenses.
To add consistent contrast and color balance, an extra multilayer coating was added to the front lens of FD, which provides a uniquely classic look that many filmmakers go mad over.
From the above article, we hope that you have understood very clearly the difference between both the Canon FD and EF lens. FD is an old manual focus lens mount not suitable for autofocus and hence is not in use nowadays as compared to Electro-focus EF lenses. Overall looking at the mechanism and working point of view EF lens appears better than the FD lens. But in the case of adaptability and build quality, FD lenses are cheaper, compact, and heavy.
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Both lenses are not particularly sharp at the widest open aperture, but the Canon EF 50mm seems to perform better at F1. Both perform significantly better as you stop down to F2. The major difference between the images rendered by these two lenses can be seen within the color grade. An extra multilayer coating was added to the front lens element of the FD 50mm to add consistent contrast and color balance.
This gives the FD that unique classic look that many filmmakers go nuts over. Overall, the Canon EF 50mm F1. Why Canon chose to use cheaper materials for the EF lens is beyond me but it does not justify the extra cost.
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