A subjective look at Nikon AF-S DX Nikkor 18-55mm F/3.5-5.6G VR @ Nikon D40. Part 3 — Optical Results

For the purpose of this review the Nikon AF-S DX Nikkor 18-55mm F/3.5-5.6G VR was used with Nikon D40 DSLR.

Nikon D40, without doubt, is a magnificent APS-C digital SLR camera announced on November 16, 2006. It has RGB CCD sensor with resolution of 3008×2000 px (6 MP) and ISO range of 200-1600. The number of AF points is 3. The TFT LCD 2.5″ display has resolution of 230000 px. There’s no additional top LCD display. There’s no built-in AF motor therefore the AF is available only with AF-S series lenes. There’s no video recording functions. The cameras supports both SD and SDHC memory cards. It is one of the most compact (126x94x64 mm) and lightest (475 g without battery, memory card and protective cap) Nikon digital SLR cameras. Discontinued in 2009.

The images which illustrate this review were developed in Capture One WITHOUT correction of distortion, vignetting and lateral chromatic aberrations, WITHOUT sharpening and increasing of overall contrast, brightness, saturation and WITHOUT changing of any other settings, except for vividness.

The resolution at the center of the frame at 18 mm is excellent already wide open, impoves insignificantly with zooming and can be described as very good even at 55 mm. The edges of the frame just slightly lag behind the center of the frame at the entire focal range. It’s an excellent result for a kit lens!

In some cases the overall contrast of the images is slightly lowered but it is difficult to say actually what is the reason. It can be both camera automatic exposure metering errors or not especially efficient multi-layer optical coatings of the lens

The lens shows strong barrel distortion at 18 mm which can be seen at the photos of architecture. However the distortion decreases rapidly with zooming and won’t be a problem around 35 mm or so.

Lateral chromatic aberrations can be described as moderate at the widest end. They can be observed in some situations at the contrast areas of the image but they only become large in scenes with wide dynamic range. Fortunately it is hard to notice the lateral chromatic aberrations at the focal lenght of 55 mm.

Vignetting is noticeable at focal length of 18 mm and F/3.5. It looks like darkening of the corners of the frame. Vignetting becomes weaker with closing of the aperture by one stop. At focal length of 55 mm and F/5.6 vignetting can be described as weak.

Midan Talaat Harb, Cairo, Egypt
Midan Talaat Harb, Cairo, Egypt
Umm Kulthum Monument
Pyramid of Djoser, Saqqara, Egypt
Greek Orthodox Church of St George, Mar Girgis st., Cairo, Egypt
Giza Plateau, Cairo, Egypt
Territory of Greek Orthodox Church of St George, Mar Girgis st., Cairo, Egypt
Giza Plateau, Cairo, Egypt
Giza Plateau, Cairo, Egypt
Giza Plateau, Cairo, Egypt
Giza Plateau, Cairo, Egypt
Statue of St George, Mar Girgis st., Cairo, Egypt
Amr ibn Al-Aas Mosque, Cairo, Egypt
Al-Nasir Muhammad Mosque, Citadel, Cairo, Egypt
Al-Nasir Muhammad Mosque, Citadel, Cairo, Egypt
Near the Midan Ramses, Cairo, Egypt
Muhammad Ali Mosque, Citadel, Cairo, Egypt
Citadel, Cairo, Egypt
Fort Quaitbey, Alexandria, Egypt
Fort Quaitbey, Alexandria, Egypt
Fort Quaitbey, Alexandria, Egypt
Alexandria, Egypt
Fort Quaitbey, Alexandria, Egypt
Interior of Virgin Mary and St. Simon the Tanner Cathedral, Cairo, Egypt
Manshiyat Nasr, Cairo, Egypt
Alexandria, Egypt
Alexandria, Egypt
Bent Pyramid, Dahshur, Egypt
Cairo, Egypt
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