Fuzz Halo on 22m FD Canon Lens?

What with regard to the 50mm f/a million.8 won't artwork? The limited application and extra fee of attempting to get an FD 50mm f/a million.4 to artwork on a EF/EF-s mount digital camera like the T1i might look to very much out weigh any deficiencies interior the EF 50mm f/a million.8. i'm finding at this mathematically so fill interior the blanks for me through fact precise now, i think of there's a faux financial device to employing an FD lens. exceptionally, a clean EF 50mm f/a million.4 costs approximately $350. no longer extraordinarily costly yet, in all hazard out of attain for a scholar or youthful photographer...i'm getting that. that's why the EF 50mm f/a million.8 II is so often cautioned instead. It only costs approximately $one hundred twenty five finding on the place you purchase it and used copies can choose for as low as $50 yet nevertheless grant photos that are as sharp through fact the 50mm f/a million.4 or perhaps the f/a million.2L from approximately f/2 to f/sixteen. The lens is totally properly suited alongside with your T1i's metering and publicity settings besides through fact the vehicle-concentration device when you consider which you likely have not replaced the focusing show to a chop up prism show to make instruction manual concentration much less of a chore. In stark assessment, a used replica of the FD 50mm f/a million.4 in sturdy condition costs $a hundred-$one hundred fifty. a sturdy adapter will run you yet another $50-one hundred fifty. which potential you ought to definitely finally end up spending sufficient money to purchase a sturdy used replica of Canon's EF 50mm f/a million.4. yet instead, with the FD version you get a instruction manual concentration only lens that calls which you would be able to apply stopped down metering in the two instruction manual or Av(aperture precedence mode) and it may no longer concentration to infinity without some form of corrective optics ( ideally provided via the adapter) between the lens and the sensor which ought to nevertheless effectively depart you with an f/a million.8 lens that may not as sharp through fact the EF 50mm f/a million.8 yet, is appreciably extra costly. If the 50mm f/a million.8 is unquestionably unacceptable, it sort of feels to me your maximum suitable wager is to attempt to discover a used replica of the EF 50mm f/a million.4. changing an FD mount lens to artwork on your digital camera is a faux financial device and to me, a minimum of, much extra difficulty than that's properly worth. .

This is also a very good reason to NOT use FD lenses and adapters. The adapter itself needs a lens to allow infinity focus, and the quality of that lens, added to any issues with the FD lens, can have a detrimental effect on image quality. Which you have now discovered.

That is called CA and is common in wide angle lenses, especially when older lenses are use on digital cameras.