This is a record of HASSELBLAD HCD 4/28 used with X1D and X1DII (which we believe is also applicable to 907X).

Table of contents


This is the fifth HC/HCD lens I have acquired.
I checked the lens on my X1D and the firmware was 18.0.0 with about 7000 shutter counts.
To use AF, the firmware was updated to 19.1.0.
It is a new type lens with an orange dot on the lens barrel. It was purchased after confirming that the maximum speed of the lens shutter was 1/2000 and that the firmware was capable of using AF (auto focus) with the X H Lens Adapter* and XH CONVERTER 0.8*.
The lens itself weighs 850 g. Compared to a wide-angle lens in the same category, the HC 3.5/35 mm, the lens is 22 mm smaller in length and weighs 125 g less, making it very easy to carry and handle when shooting.

The 28mm lens without orange dot is relatively available used, but I found the 28mm with orange dot and bought it when the 24mm lens seemed to be unavailable. The focal length of 28mm is less demanding than 24mm and therefore produces better images, so I use 24mm when I want to take wide shots and 28mm when I have more space.

The AF is one of the fastest among HC/HCD lenses, and once you get the hang of the AF, the focusing accuracy is high and you can get the focus position as you want.
The minimum focusing distance is 35cm throughout the entire range, which is considered sufficient for close-up photography.
The lens comes with an impressive hood, but it is rarely worn in everyday use because the lens has sufficient backlight resistance without the hood.

The HCD 4/28 is a 28mm focal length wide-angle lens for HASSELBLAD H series cameras.
Since this is a HCD lens series, the sensor size is optimized for 48 x 36 mm sensors. The lens image circle is not large enough for the larger 53.7 x 40.2 mm sensor, resulting in vignetting in the periphery.
The lens with the orange dot has a lens shutter with a maximum speed of 1/2000, while the unmarked lens has a lens shutter with a speed of 1/800.
On X1D/X1DII, HC lenses can be used via X H Lens Adapter or XH CONVERTER 0.8.

  • When the X H Lens Adapter is used, the focal length is 23 mm.
  • When the XH CONVERTER 0.8 is used, the focal length is 18.5 mm.

When the XH CONVERTER 0.8 is used, the image circle of the lens is not large enough and the edges are slightly vignetted, so Phocus software for developing photographic images automatically crops the edges slightly (cropped to a focal length of approximately 20 mm). The entire image before cropping can be viewed by clicking [Uncrop] in the Phocus image menu.

focal length(mm)28.9
Maximum aperture4
Minimum aperture32
Lens configuration9groups 12elements
Minimum distance(m)0.35
Lens length(mm)102
Lens max diameter(mm)100
Filter diameter(mm)95
HCD 4/28 lens specification PDF

Accessory compatibility

  • Some expansion tubes (H13/H26/H13+H26) can be used, but not H52.
  • HTS 1,5 TILT AND SHIFT ADAPTER can be used.
  • The image circle of the lens does not cover medium format film (41.5 x 56mm).
  • Converter 1.7x (x1.7 teleconverter) cannot be used.

AF support
For the orange dot lens, AF is available on the X1D/X1DII (907X), but it only works with the latest firmware 19.1.0, so if you have 18.0.0, you need to update the firmware. In fact, when I purchased the camera, the firmware was 18.0.0, so the AF did not work when I tried it. After purchasing the camera, I updated the firmware and was able to get the AF to work.
If you have firmware 17.0.0 or earlier, you cannot update the firmware because the firmware area is not enough for 19.1.0.
The AF speed when used with the X1D/X1DII (and probably the same with the 907X) is not quite as fast as that of a professional SLR, but if you choose a high contrast area, the camera will focus without hesitation, which is easier to use than fast but confusing AF, and is sufficient for my needs.

Reference links



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