Is This A Decent Lens?

I have never heard of that particular lens. The name immediately makes me think of Leica It may be an associated company. I did a quick search and found this old thread on the 50mm version. The pictures shown are impressive. Its always hard to know how a particular lens performs with out trying it. If its cheap it would probably be well worth getting.

http://forum.mflenses.com/viewtopic...iew=previous

One word of caution shorter length lens are sometimes sharper than longer lenses from the same manufacturer

Edit I did a search and saw the one you may be looking at I don't think you can make a mistake at that price. If you hadn't already spotted it I would have jumped at it. I would go so far as to say if you don't want to buy it tell me so I can.

I have an exacta mount on my bellows, so it's a very good match for me. Do I need it probably not, do I want it? yes. But the name is apparently a bit of a wild card.

I did bid on it after all.

So I bought it, and just tried it out. First off its very light 34.4 grms. The aperture appears to use only 4 blades, hence the square instead of round aperture. And the outside lens mounting looks a little weak.









I took 2 shots 1 with this lens and one with my go to workhorse lens an Omega El-Omegar 75mm f/3.5. I did not move the coin or change the lights. I only adjusted the distance to get the coin in focus.

El-Omegar


Will Wetzler Macro-Doryt 75mm f/4.5




I can see no difference. Both are nice clean images. Not exactly a Ray(rmpsrmps) quality shootout, but I'm trying. What kind of test images should I shoot?
Finally, Ray you are again correct The Exakta mount is in fact a 2 piece mount. This mount is one of the main reasons I bought this lens. Now I can easily swap out lenses using the exakta mount.

Wizzy...to compare, you'll need to look at 100% pixel crops without any processing. You also need to make sure the lenses are each set to their best respective apertures. It's really hard to tell differences between lenses when the image has been downsized.

Tough call, they both look good at f8. Is f8 the best aperture for both lenses? That would not be good, since one is nominally f3.5, and the other f4.5. By f8 they may both be diffraction-limited.