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Photo#861541
Ophryastes sp., right elytron close - Ophryastes tuberosus

Ophryastes sp., right elytron close - Ophryastes tuberosus
Kirtland AFB, Bernalillo County, New Mexico, USA
October 22, 2013
Size: 11.56 mm body length
Download high resolution image here.

This image is a CombineZP processed stack of 196 images with a 0.9 µm step taken with a Nikon CF BD 50X/0.90 ∞/- Apo microscope objective + Nikon 105 mm F2.5 portrait lens + Nikon D300 camera (magnification 26.25X; technique described here).

I've added this close-up to qualify the image produced by this setup. The image covers the entire 23.6 mm X 15.8 mm field of view of a Nikon D300 DX sensor. To conform to BG sized limits for the image as submitted (linked above), it was resized to reduce vertical pixel count from 4288 to 3072, and it was compressed to a Photoshop Elements qualitied factor of 10 (out of 12). Image brightness and contrast were increased a bit, but there is no sharpening. The vertical object field of view is 0.90 mm. There is loss of resolution in the very corners, but other than that the objective does quite well at the lower magnification obtained by using a 105 mm FL tube lens (vs. the nominal 200 mm).

Images of this individual: tag all
Ophryastes sp., dorsal - Ophryastes tuberosus Ophryastes sp., anterio-lateral - Ophryastes tuberosus Ophryastes sp., ventral - Ophryastes tuberosus Ophryastes sp., right elytron close - Ophryastes tuberosus