Minolta D-7 and Skyview 42mm 2" eyepiece close coupled.
Note zoom ring is taped to prevent movement.
No vignetting at approximately 50-60mm setting.

Eyepiece and adapter atop old Spencer microscope.
Note new top tube section to take 2" eyepiece.

Camera in shooting position. Camera balances nicely without additional support.
Heavy microscope base is essential.
EVF tilts for easy viewing.

Yes, the original rubber eyegard fits back on the threaded adapter.
The view through this wide field eyepiece is like looking into a crystal ball, the image is huge!
Top element is 42mm in diameter.

A comparison of the standard 7/8" eyepiece and microscope top tube section.
New top tube section turned from ABS plastic to fit lower microscope tube section and 2" eyepiece.
New top tube section is same length as old.

This shot shows the 49mm threaded ring which attaches to the eyepiece with set screws.
A seperate ring was used so that rings of other diameter could be utilized for different cameras.
The rubber eyeguard was removed and approximately 18mm of the eyepiece tube top was parted off with a lathe.
A circular groove was then cut on the outside edge to hold the set screws that were tapped into the adapter ring.

Zygocactus sp. Christmas Cactus Pollen
Taken with Skyview 42mm wide field 2" ocular with Spencer 4mm objective.
Camera lens set to approximately 60mm in This picture.
Transmission lighting, no condenser.
Agressively sharpened in PS-7

Skyview 42mm ocular with Spencer 16mm objective
About the least magnification possible with my Microscope.