January 2005, Nikon Kenkyukai
January 2005, Nikon Kenkyukai

Reflex Nikkor 1000mm F6.3 Big Bazooka

January 15, 2005
Nikon Kenkyukai Tokyo Meeting
Bazooka 1000mm F6.3
Nikon F Deep Research
W-Nikkor 2.8cm F3.5

Tokyo Bazooka Meeting

The day Nikon SP revived

January 14th, 2005. Nikon Corporation announced the release of the reproduction Nikon SP LIMITED EDITION with 35mm/1.8 lens. The price will be 690,000 Yen and only available in Japan. Only 2,500 units will be made. The Tokyo meeting was held on January 15th of the next day. Akiyama reported on his impression about the Nikon SP LE working model .

Next, Neko-san showed us some old Mikron Porro prism binoculars. The chrome plating were very beautiful binoculars. We will continue the research of old Nikon binoculars.

The main theme of the meeting was the special research of Nikkor 2.8cm F3.5 for the rangefinder Nikon. Several members brought their beautiful lenses and cameras. The lenses of 34 series and 71 series were on the table. And then, second theme of the meeting was the Reflex Nikkor 1000mm F6.3 huge lens.

The meeting was held in Shintomi-cho in Tokyo near Ginza. We enjoyed meeting in the Japanese traditional style conference room of the tatami mat.

Beautiful Mikron Porro prism binoculars

W-Nikkor 2.8cm F3.5 No. 712799

2.8cm attachment (Third party made)

Cool early Variframe finder engraving

W-Nikkor 2.8cm F3.5 No. 718444

2.8cm attachment (Nippon Kogaku made)

Gorgeous Variframe finder and black Nikon

Canon 2.8cm F3.5 with Nikon S2

W-Nikkor 2.8cm F3.5 No. 346363 and No. 719318

A beautiful line up of Nikon and finders

New brochure of the Nikon SP Limited Edition

Precise mechanism of the Nikon F

A very deep lecture of the Nikon F started. Of course, the lecturer is Mr. Nikon F, Suzuki-san. Adjustment spacer is inserted in the part where the finder screen is set up. Parts No. of adjustment spacer is "20FB1-2106". Adjustment spacer of the thickness of 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.11 and 0.12mm are stored in the parts box.

We measured the thickness of the adjustment spacer with a Mitsutoyo digital micrometer. The thickness of the all adjustment spacer was correct. We were surprised, and we were amazed for Nippon Kogaku way.

Adjustment spacer stored in a parts case (parts No. 20FB1-2106)

Nikon F mirror box

Adjustment of a digital micrometer

Nikon F finder parts of correct accuracy

Big Bazooka Nikkor

Suzuki-san showed us his Huge super rare Nikkor lens. Yes, Reflex Nikkor 1000mm F6.3 !! This lens was Nikon's first mirror lens for 35mm cameras. Nippon Kogaku have had the experience of manufacturing the astronomical telescope since before. Therefore, Nippon Kogaku was able to manufacture this super huge telephoto lens. The serial number starts by 631000 is the lens for F mount which does not use the N-F ring. This lens and the metal case weighs 40 pounds!

The lens and the metal case weighs 40 pounds!

Reflex - NIKKOR f=100cm 1:6.3

A HUGE lens and huge reversible metal lens hood

Reflex - NIKKOR f=1000mm 1:6.3 No. 631047

1000mm F6.3 lens and rangefinder Nikon

The topside includes carrying handles

Very smooth bellows focusing of F mount

Built in filters at the rear of the Saturn V Rocket Engine!

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Copyright Michio Akiyama, Tokyo Japan 2005, 2022