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-500, has been awarded - "Grand prix". In 1959 MTO-500 was awarded the Diploma of II degree VDNH the USSR.
Image size | 24x36 mm |
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Focal length | 500 mm |
35mm film equivalent focal length for APS-C image size | Approx. 800 |
Angle of view | 5° |
Lens construction (elements/groups) | 4/3 |
Aperture | F8 |
Closest focusing distance (m) | 4 |
AF actuator | Mechanical |
Filter diameter (mm) | 77 |
Max. diameter x length (mm) | 100x165 |
Weight (g) | 1500 |