|Old 28-200||New 28-200 (at May 2000)||Newer Again XR Model as at Oct 2001|
|Model number is 571D - black, 271D - silver||New model is 371D - black||Black or Silver available|
|Model name includes 'Super'||Model name includes 'Super II'||Model name includes 'XR'|
|No zoom lock||Has zoom lock at 28mm||Has zoom lock at 28mm|
|Closest focus marked as Tulip sign||Closest focus marked as 0.49m 19"||Yet to find out|
|Closest focus only happens at 200mm||Closest focus distance applies to all focal lengths||Closest focus distance applies to all focal lengths|
|Macro rated at 1:4.8 at 200mm||Macro rated at 1:4 at 200mm||Yet to find out|
|Straight barrel||Sort of V-groove appearance at focus ring area, matches style of 28-300 lens.||Straight barrel, it is a lot smaller and lighter than previous models.|
|Plain barrel||Chrome ring at front of zoom ring.||Plain barrel|
|Reputed to be better optically with mention of improvements at 28mm where I think the old one had light falloff problems at max aperture. No comparison tests done as yet||Said to be better again than the 371D model with even better performance
in regard to light fall-off to corners at 28mm and less distortion throughout
Contains aspheric elements.
|-||Costs maybe $50 more of course||Costs more of course.|
|Filter size 72mm||Filter size 72mm||Filter size 62mm|
Here is a photo from a brochure to give a better idea of the model 371D shape...
Currently there is no indication as to whether the new XR model will replace the model 371D pictured above or will just be a lightweight version sold alongside. Later there has also been Di version which is stated as being optimised for digital cameras. There must be maybe 4 versions of this lens of various vintages available in shops , so it's a matter of buyer beware.