Tele "mirror" Lenses with fixed aperture. "MTO" - an abbreviation from "Maksutov the Tele-Objective" or "Meniscal the Tele-Objective". On the World's fair in Bruxelles 1958 the set of lenses into which entered MTO-1000, has been awarded - "Grand prix".

Specification

Image size 24x36 mm
Focal length 1000 mm
35mm film equivalent focal length for APS-C image size Approx. 1600
Angle of view 2°30'
Lens construction (elements/groups) 5/4
Aperture F10
Closest focusing distance (m) 10
AF actuator Mechanical
Filter diameter (mm) 120
Max. diameter x length (mm) 158x260
Weight (g) 3900

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