Olympus M.Zuiko Digital 45 mm F1.8 Lens, Fast Fixed Focal Length, Suitable for All MFT Cameras (Olympus OM-D & PEN Models, Panasonic G-Series), Silver

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I would say that this is a lens worth considering if you have a Panasonic camera and can make use of the optical stabilisation. Otherwise, the Olympus 45mm is still a valid lens and you can find it for less money. The Nocticron is aimed at a professional audience and I would only consider it if you shoot portraits for a living. Furthermore I didn't want to preempt the review, which will be based on much more extensive use and testing, so have made very few comments about IQ. Chromatic aberration is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software. If you work with children this lens is absolutely perfect. Soft dreamy bokeh, great colors, and it won’t distract your subject or be scary to hold over top of them. Child’s portrait

Olympus 45mm F/1.8 – The pocket portrait gem Olympus 45mm F/1.8 – The pocket portrait gem

In the two tables below you’ll see how the Lumix 42.5mm f1.7 compares against the Olympus 45mm f1.8, first in the middle of the frame, then in the corner. Note due to its slightly longer focal length, the Olympus is delivering a slightly tighter field of view and therefore resolving slightly finer details. The thing to look for in the comparisons below are the overall sharpness and contrast. Focusing isn't simply fast - it's almost silent, too, courtesy of the Movie & Stills Compatible (MSC) technology employed. This is good news for videographers and anyone who's into unobtrusive and discreet photography. Olympus PEN E-PL7 + Olympus M.Zuiko 45mm f/1.8 (1/250 sec, f/2.8, ISO200) (Image credit: James Artaius) Olympus M.Zuiko 45mm f/1.8: Verdict

The 42.5mm f1.7 defends itself quite well against its big sister, the Nocticron 42.5mm f/1.2, although the latter has more sharpness. As seen in the photo above, the Olympus 45mm f/1.8 balances nicely on the E-PL2 camera body used for this test.

Olympus M.Zuiko Digital 45mm 1:1.8 review | Cameralabs

m4/3 ที่ทำการละลายหลังได้ยาก แต่เลนส์ตัวนี้ก็สามารถละลายหลังได้ในระดับที่ดี เหมาะกับการใช้งานด้าน Portrait มากๆ As noted earlier the wide, ridged focus ring is not mechanically coupled but works very much as if it was - except that it has no stops, hard or soft, at either end of the focus range, making it difficult to judge whether you've reached the close-focus point or the infinity setting. Otherwise it feels like a "proper" focus ring, with smooth action and no perceptible delays.That makes me remember the review I wrote for the Panasonic 20 1.7 a while ago where I put it up against the big monster Nikon D3s. The E-P2 and 20mm won that shootout but that was because I was shooting the D3s with the el-cheapo Nikon 50 1.8. Add that lens to a full frame camera like the D3s and you will get soft images and softer corners. These little cameras like the E-P3 and even the new TINY Panasonic GF3 will always give you pretty sharp corners and there are some fantastic strengths in this smaller sensor with that being one of them. The other strength and the most important one..is SIZE. I see it MORE AND MORE these days…people are dumping their DSLR’s for small cameras like the NEX system, or Micro 4/3 cameras. One reason why Nikon and Canon sales are DOWN this year and I predicted this over the last two years. Even without looking at any side by side images, we already know that the internal design of the 45mm PRO is more complex, with 14 elements in 10 groups and 6 special elements. The 45mm, on the other hand, has just 9 elements in 8 groups with 2 special elements. Furthermore, the PRO lens has a 9 blade aperture in comparison to the 7 blades of the f/1.8 lens. Sharpness