This Zeiss control panel is a slightly simplified version of the MC-63 electromagnetic shutter control panel. The MC63 camera system, developed for the Zeiss photomicrography photo ports, consisted of several modular building blocks. Central to the system was the housing with the electromagnetic shutter. The base of the housing clamped onto the photo tube of the microscope in which was installed a photographic projection ocular. The top of the unit carried the relay lens system and film back, usually a 35mm camera system or 4×5 large format back (special Polaroid backs were also available). Within the shutter body was a small beam splitter that diverted a small portion of the light to a photo-diode detector. This was connected (via the same cable as operated the shutter) to the control unit.

The exposure was timed automatically after programming the ASA or DIN information into the control panel. Course steps were set via the upper knob, and fine steps via the lower knob (-1, 0, +1). DIN settings between 6 and 37 were possible (ASA 3 to 4000). A simple release button actuated the shutter. There is also a �test� button that times the exposure without opening the shutter.

Green LED indicates power �ON� position. Yellow LED next to shutter glows when shutter is open, and red LED when the �test� button is selected (yellow LED will glow for duration of timed exposure, but without exposing film).

Control unit requires standard IEC type line cord (not included), and is currently set for 120v mains. 220v may also be selected, but fuse should be exchanged for proper protection. Condition of the control panel is excellent, but it has not been tested with a shutter unit at this time. As soon as we have one with which to test it, we will add that information to the listing!
***MPN 47 74 20
***OEM Zeiss
***SKU*** 12266

This listing consists of an earlier Wild (now part of Leica Microsystems) stereo microscope boom stand. The stand is quite heavy, at about 35 pounds, so is capable of supporting a fairly substantial instrument quite a distance from the central pillar. The base is about 8 inches in diameter and carries a solid 25mm diameter post with a total height of about 16 inches. There is a supporting collar and a cross-bored clamping block that in turn carries the boom � also 25mm in diameter and approximately 14 inches in total length. Attached to the horizontal arm is an �outrigger� post with clamp that carries a second pillar at right-angles to the horizontal boom. The diameter of the post is 20mm, so this accepts the earlier cream-colored Wild stereo microscopes.

There is no provision for a stop screw on the end of the post, so one has to use care when adjusting the position of the instrument! The base has some very minor marks in the finish, and there is some light corrosion in the chrome finish of the main vertical post. All adjustments work easily, however.
***MPN
***OEM Wild Heerbrugg
***SKU*** 12259

This is a Leica PL APO 50x / 0.90 Microscope Objective.

Yet another very recent objective well suited to semi-conductor examinations (as well as general metallography). This is a Leitz Germany Plan Apo 50x / 0.90 lens, catalog number 567 056. This objective does not appear to have been used, however there is a number �632� engraved on the nomenclature ring. Otherwise, there are no blemishes discernable either cosmetically or optically.

Plan Apochromat optics are corrected for a super-wide field of view index of 28 mm. The Apochromatic color correction is the highest obtainable. This is not an EPI version of the lens � in other words it does not include an annular condenser system concentric with the main objective for dark field illumination. It is strictly a bright field lens. It is not designated as strain-free which means it may not produce the best images when using interference contrast, but most objectives of very recent manufacture are very free of strain issues. The objective is spring-loaded for specimen and objective protection.

The lens is corrected for infinity tube length, and must be used on samples without a cover slip! The lens does have the standard RMS (20mm) mounting thread because it doesn�t have to accommodate the epi-illumination darkfield optics. In order to be used on the same nosepiece with the epi-objectives, an RMS to 32mm thread will be required. The objective will work with the Ergolux, Metalloplan, MM-6, and similar microscopes outfitted with an RMS type vertical illuminator. When fitted with the adapter, it is suitable for the relatively recent Leitz microscopes which include the Ergoplan and the DMR series reflected light instruments as well as the current DM 4000, 4500, and 6000 M microscopes.

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***MPN 567 056
***OEM Leica
***SKU*** 12252

This item is the �business� portion of the Wild (now Leica) 6v 20w halogen incident light illuminator. It is missing several parts, including the heat filter and one of the filter retainer screws; a swing-out filter holder with a diffusing disk installed (clips to either of the chrome posts between the focusing lens and the housing); an the special articulating arm with central clamping knob. This later arrangement would have fastened to the base of the illuminator at the front end (the two tapped holes are visible in the first photo, bottom left). The socket and both collector lenses are present (both the fixed and focusable lenses), and the existing portion of the illuminator is in superb condition. The socket shows no evidence of use, and comes with a lamp installed. No transformer is included.

If the articulating arm system is required, we do have access to the assembly at an additional cost of $165.00. Part number for the lamphouse (which would have included the clamping assembly) is 445 155. The clamping assembly was sold separately as part number 399 211. Clamping assembly is new unused inventory. The clamping assembly could be fixed to several fixtures including a stand-alone baseplate, special bosses fixed to various Wild stereo microscope bases, or to special clamps attachable to the focusing column of the stand.
***MPN
***OEM Wild Heerbrugg
***SKU*** 12166

This is another spectacular condition Leitz metallurgical (or semi-conductor related) microscope objective. It is a Plan 32x, infinity corrected optic, and must be used only on uncovered specimens.