Some new info about HD PENTAX-D FA★ 50mm F1.4 SDM AW

“Last year, there were two new interchangeable lenses announced from Ricoh at the end of October. Somehow, also feel like the new lens announcement of a long time.

First of all, it is a single focus lens for full size format and it is “HD PENTAX-D FA★ 50mm F1.4 SDM AW”.

Mock-up was exhibited in the spring at CP+ 2017 last spring, but that lens was finally officially released. Although the release is planned for spring this year, the specifications are unknown as well as the price. No, although specs seem to be decided, Ricoh has not announced details yet. Lens name as tentative and only announced a very simple information.

I decided to use that new model ★ 50mm F1.4 lens for some reason.
It is said that “I’m still a beta version, do you try to use?” Quick response and “of course”.

The other one is a wide-angle zoom lens for APS-C-format. It’s time to release it is about the summer of this year.

Specs, such as formal lens name is not known, only has been developed announced as “HD PENTAX-DA★ 11-18mm F2.8, (tentative name)”. In 17 ~ 27.5mm equivalent wide-angle zoom, F2.8 constant F value, do not know except that it’s Stars lens.

For the D FA ★ 50mm F1.4 lens, any of the specs numerical value other than “summary” has become for hire for a period of leave does not tell. However, since the lens name was clearly stamped on the ring of the lens frame of the received 50mm lens.

Press Release of the new lens development announcement from Ricoh has been sent for a while. It had introduced a very, very simple specifications such as the following.

Interchangeable lens for K mount digital single-lens reflex camera

  • Product name: HD PENTAX-D FA ★ 50mm F1.4 SDM AW (tentative name)
  • K-mount adoption, covering image circle of 35mm full size image sensor
  • Newly developed ring type SDM (ultrasonic motor) that realizes AF with excellent quietness at high speed is installed
  • AW adopted (dust-proof and drip-proof) structure, suppress the raindrops and dust from entering under harsh shooting environment
  • The shortest shooting distance of 0.4m is achieved
  • Release date: scheduled for around 2018 spring

The lens name there and (tentative name), but it would be nice to think the official name.

The first time was in the hands ★ 50mm F1.4 lens feels the shiny-weight. The appearance style is simple, it seems to be easy to create and operate. There is also a sense of quality. Just by holding the lens, I get the impression that “It seems to be well taken” (actually, it is very well taken, but that story later).

The following are speculated to see the new ★ 50mm lens in hand “unofficial” part of the specs.

I am going to measure with a simple scale at hand because the size and weight are unknown.
The overall length of the lens is about 11cm, the maximum diameter is about 8cm, and the weight is about 830g. The filter diameter is 72mmφ.

When looking into the lens, the diaphragm blades are 9 round apertures. The minimum aperture value is F16. There is no AF interlocking coupler in the mounting part. It is understood that it is an electromagnetic iris system. In terms of format it will be “KAF4 mount”.

The minimum focusing distance is 0.4m when looking at the focus scale. So the distance between the front of the lens at the shortest to the subject (working distance) is about 25cm.

The shooting range at that time was about 18.5 × 12.5cm when I tried in live-mode.

The hood borrowed at the same time as the lens was stamped as “PH-RBB72”. Probably it will be a special lens hood for 50mm F1.4. PL filter operation window is also available.

So, for the time being, it is a simple first report on PENTAX new model ★ 50mm lens. From Ricoh, “Let’s go unpublished as it is a prototype” If you do not stop, let’s report on several occasions including the impression that you took live action etc.”

(text translated from Japanese)

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Posted in Cameras, D FA Lenses, D FA Prime Lenses, DSLR, Full Frame, HD PENTAX-D FA★ 50mm F1.4 SDM AW, K-mount Lenses, Lenses, PENTAX K-1.

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