Nikon 105mm f/2.8 VR and auto extension tube

Another lens arrived with the Nikon 20mm f/2.8 is the Nikon 105mm f/2.8 VR. This lens was released in 2006, a fairly new lens equipped with Nikon's latest technology such as VRII (up to 4 stops better) and nano crystal coating. Some info extracted from Nikon.

Lens Construction (Groups/Elements)
12/14

Closest focusing distance
0.31m/1.0ft

Maximum reproduction ratio
1/1

Dimensions (approx.) (from the camera’s lens mounting flange)
83 x 116mm

Weight (approx.)
790g

A size comparison with the Nikon 24-70mm f/2.8.

Below is a series of macro test including shots taken at 1:1 reproduction at minimum focusing distance, together with Marumi/Kenko auto extension tube set and then with TC-14E teleconverter

Auto extension tube set (13, 21 and 31mm)

Nikon TC-14E (1.4x teleconverter)

 

The test subject used in this case is a 52mm Nikon cap

No extension tube, minimum focusing distance with Nikon 105mm f/2.8.	31mm extension tube with Nikon 105mm f/2.8 VR
13+31mm extension tubes with Nikon 105mm f/2.8 VR	21+31mm extension tubes with Nikon 105mm f/2.8 VR
13+21+31mm extension tubes with Nikon 105mm f/2.8 VR	13+21+31mm extension tubes and TC-14E (1.4x teleconverter) with Nikon 105mm f/2.8 VR
13+21+31mm extension tubes with Nikon 50mm f/1.4