Lens Sigma MF 28-85 mm f/ 3.5-4.5 MC Zoom Theta II

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Lens Sigma MF 28-85 mm f/ 3.5-4.5 MC Zoom Theta II

Lens Database Discussion

Nicko :: 25.10.2019 14:57:12

lvl. 1 (Lens-Learner)

Lens Sigma MF 28-85 mm f/ 3.5-4.5 MC Zoom Theta II

Format: 35mm SLR

Type: Zoom lens

Focusing: Manual Focus (MF)

Lens mounts: C/Y (contax/yashica), Canon FD, FDn, Konica AR, Olympus OM, Pentax K, Minolta SR (MD, MC)

First year of production: 1982

Last year of production: 1984

Optical scheme: 15 elements in 10 groups

Specifications:

Focal length	Max. aperture	Min. aperture	Blades	Min. Focus (m.)	Filter Ø (mm.)	Weight (gr.)	Height (mm.)
28mm - 85mm	f/3.5 - f/4.5	f/22	6	0.5	67	490	81.5

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Nicko :: 25.10.2019 14:58:03

lvl. 1 (Lens-Learner)

Help i dont know if my aperture is broken, It makes a click sound but i dont change the aperture please help

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Lens Sigma MF 28-85 mm f/ 3.5-4.5 MC Zoom Theta II