Cameras and batteries

Ka Gee Ka
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Cameras and batteries
Cameras and batteries

Just to confirm the M42 lens is working on the K100D. With Auto switch on, the light meter reacts accordingly to the aperture set. And DoF is according to the aperture set as well. At least not all lens can only shoot wide open.


As for focus to infinity, still need to verify. The distance scale and markings on the lens are in right position after fully mounted. Would assume it’s possible for the moment.

I also feel that the sensitivity of the sensor has kind of increased with the M42 lens. Not sure if it’s specific to each lens or for all working ones. So far, for the Flektogon 35mm f2.4 and this Mamiya 28mm f2.8, I was able to shoot at faster shutter speed at ISO 200. Would do more tests to confirm

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Taken on: September 22, 2024
Sets appears in:   • Less than 500 Views    • Pentax    more » • Pentax K100D    • Mamiya Sekor Auto 28mm f2.8 (M42)    • Cameras, Lens and Accessories    « less
Groups appears in:   • ~ PENTAX Cameras ~    • No Photoshop Here    more » • Pentax    • 影像日记    • PENTAX RICOH K-MOUNT DIGITAL CAMERA USERS    • M42    • Manual Focus    • Manual Focus Lenses    • ★★★ Pentax Life ★★★    • Vintage lenses on DSLR(including mirrorless cameras)    • Old and Manual Focus Lenses    • Manual lens + digital camera    • Manual on Digital    • Mamiya Sekor SX 28mm f/2.8    • CCD Images Galore    « less
Camera: Pentax K100D, f/0, 1/30 sec, 0mm, ISO 200 (more info) (hide info)
Camera: Pentax K100D
Aperture: f/0
Exposure Time: 0.033 sec (1/30)
Focal Length: 0mm
ISO: 200
Exposure Bias: 0 EV
Flash: Off, Did not fire
Exposure Program: Manual
Exposure Mode: Manual
Metering Mode: Center-weighted average
White Balance: Auto
Color Space: sRGB
Software: K100D Ver 1.02
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