April 8, 2016 by Amateur
Good quality extension tube,(take 2)
I can't find any way to edit my previous review which was in error so I'm writing another: This is a nice extension tube although pricy, much better build quality than the bargain ones. It preserves the weather sealing of other similar quality lenses. I have gotten good results on the 50-200mm though not true macro. At 200mm you can focus as close as 22" or so, covering an area of 2" x 1.5" which is good for insects, lizards etc. At 50mm the range of focus is very short, around 2" covering an area of 1.25" x .75". Focus with my E-1 is slow with my new E-M1 it is much faster and more accurate. The 50-200 with the ex25 and the MMF3 adapter is a pretty long assembly on the E-M1. I have also used this EX25 on the 14-54mm with good results although that lens is very close-focusing already so the difference is not as impressive. If your expectations are realistic you will probably be completely satisfied with this tube. I took off a star because of the high price.
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March 28, 2016 by Amateur
Good Quality extension tube.
This is a nice extension tube although pricy, much better build quality than the bargain ones. It preserves the weather sealing of other similar quality lenses. I have gotten good results on the 50-200mm though nowhere near true macro (about 3" x 1.5"). At 200mm you can focus at about 6' which is good for insects, lizards etc. Focus with my E-1 is slow but I am looking forward to trying it with my new E-M1. The 50-200 with the ex25 and the MMF3 adapter is a pretty long assembly on the E-M1. I have also used this EX25 on the 14-54mm with good results although that lens is very close-focusing already so the difference is not as impressive. If your expectations are realistic you will probably be satisfied with this tube. I took off a star because of the high price.
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November 7, 2014 by Wiley
Very handy accessory
I have used the EX-25 with all of my lenses with good results. It works as advertised. I normally use manual focus and manual exposure when shooting macro . However, I have used full auto exposure as well with equally good results.