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Details

Manufacturer:

Type:

X80QF Quartz Fluorite APO

Description:

Apochromatic Quartz Fluorite lens system: f3.2 / 80mm made to order
Useful spectral range: 200 - 1200nm (and beyond)
Closeup focusing helicoid: infinity - macro (range as per request)
Camera mount: M42, on request: Nikon, Canon, m4/3, Sony E (NEX)...
Aperture: variable, declicked f3.2 - f64 (click in on request)
Aperture calibration: on request, F-stops or T-stops
Weight: 290 grams (0.29 kg) in M42 mount version
Filter thread mount: 52mm standard

Images shown (left to right, top to bottom):
1: Lens focusing helicoid infinity position, retracted
2: Lens focusing helicoid macro position, extended
3: Lens front - open aperture, 52mm filter mount
4: Lens rear - open aperture, micro 4/3 mount version
5: measured spectral transmission (310-400nm: >75%, 400-800nm: >65%)
6: Bellis (in situ): Visual image, UV image, IR image (left to right)
7: Tussilago (in situ): Visual image, UV image, simulated bee vision (left to right)
8: Tussilago (lab shot): Visual image, UV image, simulated bee vision (left to right)
9: Gazania (lab shot): Visual image - X80QF (left), Cerco 94mm (right)
10: Gazania (lab shot): UV image - X80QF (left), Cerco 94mm (right)
11: Gazania (lab shot): Visual image detail - X80QF (left), Cerco 94mm (right)
12: Gazania (lab shot): UV image detail - X80QF (left), Cerco 94mm (right)

Focal Lenght:

Aperture:

3.2

ApertureRange:

variable aperture to f64

Magnification:

UV-VIS-IR

Opt. Magnification:

Mount:

M42, others on request

Production Year:

2013