Infrared Optic f/0.7 with Aperture Iris Focusing Lens

$1,250.00

Infrared Optic f/0.7 with Aperture Iris Focusing Lens.
This optical assembly is complete. The only nomenclature present are a couple of hand-scribed numbers on the rear mounting flange. One number is the FSCM code 91766 (although the second digit looks more like a capital ‘Y’). The other number is probably a serial number – R1783-2. If you have access to a list of FSCM manufacturers, then you should be able to discover the manufacturer using the five-digit code..

The lenses appear to be made of germanium – they are entirely opaque to visible light. The mount is focusable through a range of about 4mm. The mount length is 69.7mm at its shortest. There is a graduated aperture ring with markings at f / 0.7, f / 1.0, f / 1.5, f / 2.2, f / 3.7, and C, which I assume means ‘closed’. The aperture setting ring would not turn past the 3.7 position so perhaps there is a lockout that is engaged. The lens mount has a slight taper with the largest diameter being 3.214 inches. The lens includes a metal thread-in protective cover for the front element.

Front element diameter is 66mm, rear element diameter is 47mm. Both external surfaces appear to be free of blemishes.

Photo set 1521.

BMI Surplus, Inc. has a huge inventory of used, new and pre-owned Camera Lenses for sale.
We will work with you individually to find the perfect set up for your application.
Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific and Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though they are in good used condition.
*Pricing on untested items is discounted at time of listing.

**Shipping, Handling and Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 33 years of experience shipping sensitive scientific instruments and industrial equipment!

Don’t see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search.
***MPN R1783-2
***OEM Cushcraft Corp
***SKU*** 21548

1 in stock

MB 40 SKU: 21548 Category: Tag:

Description

Infrared Optic f/0.7 with Aperture Iris Focusing Lens.
This optical assembly is complete. The only nomenclature present are a couple of hand-scribed numbers on the rear mounting flange. One number is the FSCM code 91766 (although the second digit looks more like a capital ‘Y’). The other number is probably a serial number – R1783-2. If you have access to a list of FSCM manufacturers, then you should be able to discover the manufacturer using the five-digit code..

The lenses appear to be made of germanium – they are entirely opaque to visible light. The mount is focusable through a range of about 4mm. The mount length is 69.7mm at its shortest. There is a graduated aperture ring with markings at f / 0.7, f / 1.0, f / 1.5, f / 2.2, f / 3.7, and C, which I assume means ‘closed’. The aperture setting ring would not turn past the 3.7 position so perhaps there is a lockout that is engaged. The lens mount has a slight taper with the largest diameter being 3.214 inches. The lens includes a metal thread-in protective cover for the front element.

Front element diameter is 66mm, rear element diameter is 47mm. Both external surfaces appear to be free of blemishes.

Photo set 1521.

BMI Surplus, Inc. has a huge inventory of used, new and pre-owned Camera Lenses for sale.
We will work with you individually to find the perfect set up for your application.
Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific and Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though they are in good used condition.
*Pricing on untested items is discounted at time of listing.

**Shipping, Handling and Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 33 years of experience shipping sensitive scientific instruments and industrial equipment!

Don’t see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search.
***MPN R1783-2
***OEM Cushcraft Corp
***SKU*** 21548

Additional information

Weight 3.2 lbs
Dimensions 8 × 8 × 8 in