CRT Nikkor 55mm F1.2 Grand Legend
Good Old Days in Japanese Rice Field
September 2016

CRT Nikkor 55mm F1.2 Grand Legend
Good Old Days in Japanese Rice Field
October 2001

Super Hight Resolution Dreaming Lens

The CRT Nikkor 55mm F1.2 is a relatively high-resolution lens for display of data from oscilloscope or other CRT traces. The CRT Nikkor 55mm F1.2 has an L39 Leica-mount thread. Recorded for full CRT screen; high density target on clear background, filling full acceptance cone of lens with flare producing illumination. High density background target up to 250 lines/mm possible. It's a super high-resolution dreaming lens.

Nikon F Chrome with CRT Nikkor 55mm F1.2

CRT Nikkor 55mm F1.2

Beautiful Purple Coating CRT Nikkor 55mm F1.2

Nikon F3 with CRT Nikkor 55mm F1.2

CRT Nikkor 55mm F1.2 Lens Mount

Technical Data

The data sheet is shown below.
Please refer to PDF data. >>> CRT LENS DATA. pdf

Specifications

CRT Nikkor 55mm F1.2

Focal length :  54.3 mm
Max. aperture :  f/1.2 (infinity)
Max. aperture :  f/1.4 (at 1/5X)
Min. aperture :  f/11
Aperture scale :  1.2, 2, 2.8, 4, 5.6, 8, 11
Lens construction :  8 elements in 6 groups
Standard magnification :  1/5X
Range of magnification ratio :  1/4X - 1/5.5X
Picture angle :  37.2°
Standard wavelength :  400 nm - 650 nm
Vignetting :  0% at F4
Distortion :  +0.14%
Resolution :  250 lines/mm
Image area :  24 mm X 36 mm
Image area :  43.2 mm⌀
Object area :  216 mm⌀ (1/5X)
Overall working distance :  417.1 mm
Filter size :  d=52 mm P=0.75 mm
Mount :  Leica L39 screw mount
Lenght :  64 mm
Diameter :  54 mm
Weight :  385 g
Actual weight :  296.5 g    No. 721527  (early model)
Actual weight :  305.0 g    No. 820972  (later model)

Release date :  1967
Price :
  115,000 Japanese YEN (1974)
  115,000 Japanese YEN (1976)
  115,000 Japanese YEN (1977)

CRT Nikkor 55mm F1.2 Lens Construction

Meets the CRT Nikkor 58mm F1.0

What is the fastest Nikkor lens made for the Nikon F mount?
Do you know the fastest Nikkor lens in F mount Nikkor?
Yes, that is CRT Nikkor 58mm F1.0 lens.
I will show you the image when this lens appeared at the Nikon Kenkyukai Tokyo meeting.
This lens is NOT a PROTOTYPE.

CRT Nikkor 58mm F1.0 with Very Early Type Nikon F
Nikon Kenkyukai Tokyo Meeting October 2012

CRT Nikkor 58mm F1.0 is Very Graceful Lens
Nikon Kenkyukai Tokyo Meeting October 2012

CRT Nikkor 58mm F1.0 with Nikon F3T
Nikon Kenkyukai Tokyo Meeting December 2012

That's Right CRT Nikkor 58mm F1.0 is F1.0 !
Nikon Kenkyukai Tokyo Meeting July 2013

Filter Size of CRT Nikkor 58mm F1.0 is 62 mm
Nikon Kenkyukai Tokyo Meeting July 2013

Nikon Z Album

I mounted the CRT Nikkor 55mm F1.2 lens on my Nikon Z 6 and took the following pictures. The CRT Nikkor 55mm F1.2 lens produce very nice images at long distances.

CRT Nikkor 55mm F1.2 on Nikon Z 6

The following adapters were connected to the CRT Nikkor 55mm F1.2 to get infinity.

L39 to Z Mount Adapter (K&F CONCEPT)
CRT Nikkor 55mm F1.2

Nikon Z 6 + L39 to Z + CRT Nikkor 55mm F1.2

CRT Nikkor 55mm F1.2,   ASA 400   F8   1/1000 sec.   +0.7

I shot the same scene with aperture F8 and aperture F1.2. The world of full wide open aperture F1.2 is poetic and beautiful. Take a look at the below pictutes.

CRT Nikkor 55mm F1.2,   ASA 100   F1.2   1/8000 sec.   -0.7

CRT Nikkor 55mm F1.2,   ASA 800   F8   1/500 sec.   -0 +0

CRT Nikkor 55mm F1.2,   ASA 100   F1.2   1/2000 sec.   +0.3

CRT Nikkor 55mm F1.2,   ASA 800   F8   1/3200 sec.   +0.7

CRT Nikkor 55mm F1.2,   ASA 100   F1.2   1/8000 sec.   +0.3

CRT Nikkor 55mm F1.2,   ASA 800   F8   1/2000 sec.   +0.7

CRT Nikkor 55mm F1.2,   ASA 100   F1.2   1/6400 sec.   +0.3

CRT Nikkor 55mm F1.2 on Nikon Z 6

CRT Nikkor 55mm F1.2 and Nikon Z meets the your requirements

Easy Macro Photographer

The CRT Nikkor 55mm F1.2 lens have an amazing kind of rendition, clean and with great micro contrast. The CRT Nikkor 55mm F1.2 lens with great micro contrast has much richer colors and tone transitions compared to a general-purpose lens.

CRT Nikkor 55mm F1.2,   ASA 1600   F8   1/640 sec.   +0.3

CRT Nikkor 55mm F1.2,   ASA 1600   F8   1/2500 sec.   -1.0

CRT Nikkor 55mm F1.2,   ASA 1600   F8   1/1250 sec.   -0.3

CRT Nikkor 55mm F1.2,   ASA 1600   F8   1/640 sec.   -0 +0

CRT Nikkor 55mm F1.2 Lens Look Good on the Nikon Z

Nikon style when shooting the summer grass and flowers. For a close-up shot, I put in one short intermediate ring with a Leica screw mount.

Brilliant Color Expression

The true value of the CRT Nikkor 55mm F1.2 lens is probably the brilliant color expression in close-up photography. This lens is a precision lens that captures temperature, humidity, and even air.

CRT Nikkor 55mm F1.2,   ASA 1600   F5.6   1/1250 sec.   +1.7

CRT Nikkor 55mm F1.2,   ASA 1600   F5.6   1/1250 sec.   +2.0

CRT Nikkor 55mm F1.2,   ASA 800   F5.6   1/3200 sec.   +0.3

CRT Nikkor 55mm F1.2,   ASA 800   F5.6   1/1250 sec.   +1.0

CRT Nikkor 55mm F1.2,   ASA 800   F5.6   1/2000 sec.   +1.0

CRT Nikkor 55mm F1.2,   ASA 800   F5.6   1/2500 sec.   +1.0

CRT Nikkor 55mm F1.2,   ASA 800   F5.6   1/2500 sec.   +1.3

CRT Nikkor 55mm F1.2

I shot spring flowers with this Nikon camera and lens. For close-up photography, I put in an extension ring, which is a regular accessory for EL Nikkor lenses.