Rayfact 90mm F4 2

Rayfact MJ 90mm F4 2

Beauty of the Industrial Micro Lens

Keep Your Focus Tight
Unshakable Confidence
Sensitive to Detail
Nikon Rayfact MJ 90mm F4
Technically Speaking Amazing
Elegant Monster Lens

Nikon and Rayfact

Lens Data

The features and specifications of the Nikon Rayfact MJ 90mm F4 from Nikon's brochure "INDUSTRIAL LENSES Rayfact" are described below.

Industrial Micro Lens

Features

Rayfact MJ 90 mm F4: Variable magnification range of -0.05x - -0.5x
Rayfact MJ 95 mm F4: Variable magnification range of -0.5x - -1.0x
For high resolution, large-sized line and area sensor cameras
High performance guaranteed in all range of magnification
Aperture lockable screw and floating ring lockable screw for easy use
Unit sales with a wide range of mounts to fit in your camera

Applications

Image receiving process by both line and area censor cameras
Flat panel inspection
PCB inspection
Wafer inspection
Printed materials inspection

Eight Models

The Nikon Rayfact MJ 90mm F4 lens is sold with a camera mount. There are eight models as shown in the table below.

Model	Camera Mount	Flange Focal Distance
OVM05042MN-M72D1	M72	19.56 mm
OVM05042MN-M72D2	M72	6.56 mm
OVM05042MN-M72D3	M72	12 mm
OVM05042MN-M72N	M72	31.8 mm
OVM05042MN-M90D	M90	12 mm
OVM05042MN-NMT	M84.5	41 mm
OVM05042MN-FMT	Nikon F	46.5 mm
OVM05042MN-M95E	M95	9.4 mm

Technical Data

The Nikon Rayfact MJ 90mm F4 is available in 8 models to suit different camera mounts. They have the same optical performance but differ in external size and weight. Here, I will explain the performance specifications of the Nikon F mount model.

Usable magnification range is -0.05x to -0.5x. This article explains -0.05x and -0.5x in detail.

Product name: Nikon Rayfact MJ 90mm F4
Model number: OVM05042MN-FMT
Usable magnification range: -0.05x - -0.5x

Magnification	-0.05x	-0.5x
Focal length	89.8 mm	91.6 mm
F number (∞)	F4
NA	0.006	0.042
Standard wavelength range	546.07 nm (e-line)
Correction wavelength range	400 - 700 nm
Picture angle	47.2°	34.5°
Image size	⌀86.4 mm
Object size	1728 mm	172.8 mm
Distortion (F5.6)	+0.5%	+0.1%
Field illumination ratio (F5.6)	65.8%	80.1%
Aperture scale	4 5.6 8 11
Object-to-image distance	1967.3 mm	397.7 mm
Working distance	1820.4 mm	230.3 mm
Camera mount	Nikon F
Flange-to-image distance	46.5 mm
Back focus	63.4 mm	98.3 mm
Attachment size	52 mm (P=0.75)
Length	101.9 mm (Actual 100.95 mm)
Maximum length	122.5 mm (Actual 122.55 mm)
Diameter	⌀84 mm (Actual ⌀83.95 mm)
Weight	Approx. 860 g (Actual 865.0 g)
Release date	July 2010

Nikon Rayfact MJ 90mm F4 Lens Construction

Nikon F36 and Rayfact

Early Type and Late Type

Nikon Rayfact MJ 90mm F4 lens has early type and late type. The early type of lens has not numerical values for the aperture value and magnification. Late type of lens has numerical values for the aperture value and magnification.

Rayfact Brochure

The Nikon Rayfact lens series is for industrial use, not for consumer use. Therefore, paper brochure is not available at camera stores. Shows the oldest brochure I own. Probably printed in September 2001.

The earliest brochure of Nikon Rayfact 25mm F1.4
Provided by Dr. Kazumasa Oguri

PDF data >> Rayfact 25mm F1.4 pdf

Rayfact Brochures in 2012

In 2012 I was able to obtain the Nikon Rayfact paper brochures. After all, printed matter on paper has a strong presence. and beautiful.

Rayfact Brochures in February 2012

Shows the oldest brochure of Nikon Rayfact MJ 90mm F4. Probably printed in October 2010.

The earliest brochure of Nikon Rayfact MJ 90mm F4

PDF data >> Rayfact MJ 90mm F4 pdf

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Shortcuts

Chapter 0      Top Page
Chapter 1      Nikon Rayfact
Chapter 2      Lens Data
Chapter 3      How to Use Rayfact
Chapter 4      Nikon Z Album 1
Chapter 5      Nikon Z Album 2

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