On left the Olympus lens, on right the [shoplink 31293 ebay]Zeiss Biotar 75mm f/1.5[/shoplink].
ePhotozine posted the full Olympus 75mm f/1.8 review. And it’s not a surprise that this lens gets another big appraisal: “It’s amongst the sharpest lenses currently available for any camera system, it’s well built and a pleasure to use. The price is actually quite good value when such high optical performance is delivered. It can certainly give the Zeiss’ and Leica’s a run for their money.”
The only real downside for them is that it is not weather sealed and that you have to pay extra for the original hood. At least some third party hoods are already made on sold in US ($7 on amazon), US ($32 better quality), [shoplink 34663 ebay]Germany (ebay)[/shoplink] and [shoplink 34664 ebay]Hong Kong (ebay)[/shoplink].
The lens itself can be found at [shopcountry 31284].
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Olympus Lens alternatives (if you don’t care about the missing autofocus and electronic contacts):
1) [shoplink 31292 ebay]Dallmeyer 75mm f/1.9 (Here on eBay)[/shoplink]. This is an extremely expensive lens and I don’t know why it is so. Only crazy guys would buy that :)
2) [shoplink 31293 ebay]Leica Summilux 75mm f/1.4 (Here on eBay)[/shoplink]. Extraordinary high quality lens for an extraordinary price (although it’s still less expensive than the mysterious Dallmeyer). It’s the fastest of all 75mm lenses
3) [shoplink 31293 ebay]Zeiss Biotar 75mm f/1.5 (Here on eBay)[/shoplink]. Fast and also a bit exotic lens made for the Exacta series.
4) [shoplink 31294 ebay]Leica Summarit 75mm f/2.5 (Here on eBay)[/shoplink]. High quality and relatively compact lens. A bit slow compared to the Olympus (f/2.5).
5) [shoplink 31295 ebay]Voigtlander Heliar 75mm f/1.8 (Here on eBay)[/shoplink]. Probably the best alternative of the new Olympus 75mm f/1.8 lens. Same aperture, superb high quality and cheaper.
6) [shoplink 31324 ebay]Fujinon 75mm f/1.8 (Here on eBay)[/shoplink]. This is a very cheap TV lens and I don’t expect the quality to be very good. I wouldn’t buy that unlike your really need that focal length and you have a very low budget.