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A magnifier for the most discerning user. It has an acrylic collar for specimen illumination. An alternative black plastic collar is provided for use with tranmitted light.
4X
Inspect whole large areas of 32 x 45mm or, flat objects less than 58mm in diameter. The image observed through the loupe is critically sharp from the centre to the edge of the image field because of the careful optical correction of the loupe for astigmatism and curvature of field as well as aberrations concerning the image of the central image. Ordinary magnifiers are corrected only for the central image. This loupe is similar to anastigmatic photographic lenses and is manufactured with the same care and precision. One point which distinguishes this loupe from photo-lenses is the position of the effective pupil of the loupe. It is placed as far as 25mm above the upper plane of the loupe. The observer can inspect the whole image field by merely moving the eye. Magnification: 4x, Field of View: 58mm, Effective Aperture: 30mm., Min. Scale Division: 0.1mm, Working Distance: 54mm, Size: 73 OD x 77mm (2.9 OD x 3″), Weight: 272g (9.6 ounces).
Технические характеристики
O2504
