I got this from a charity shop in Bradford, I think, for a couple of pounds. It smells a bit funny… On Ebay these seem to sell for a few pounds; not a vast amount. Mine has a slightly dodgy battery compartment, but other than that it works pretty well and the Hexanon lens produces sharp and vivid images.

About

This is a large viewfinder camera made by Konica in 1978. It has the classic styling shared with the Konica Pop, and several of the Halina cameras of the same era, but it is bigger and clunkier than the Pop.

Konica C35 EF-P
Konica C35 EF-P

It has a 38mm fixed focus f/4 Hexanon lens with 4 elements in 3 groups. This is slightly longer than the 36mm of the Pop and gives a field of view of 51° x 35°, meaning you would need to be 12ft away to fit a full length portrait in the frame when in landscape mode.

The aperture ranges from f/4-f/16 and the shutter speed is 1/125s.

The manual states that the lens is sharp from 5ft to ∞, this holds true at the minimum aperture of f/16 (where the lens would be focused at the hyperfocal distance of 9.9ft), but would break down at the wider apertures; at f/8 you would have focus from about 6-20ft and at f/4 this would be about 5-13ft. So for critical sharpness using ISO 400 film is perhaps advised.

It has a pop up flash (guide number 45 ft at ISO 100), activated by a small red button by the lens housing, and on the opposite side of the lens it has a slider which reduces the aperture when using the flash close-up, in the same way as the pop.  There is a simple CdS cell in the body which gives an indicator when there is low light, but does not control anything else. The shutter (on my copy at least) is quite light, so often fires before you have a chance to react to the light.

Exposure

The aperture seems to be set as follows: ISO 100 – flash f/4 and flash off/close-up f/8; ISO 400 – flash f/8 and flash off/close-up f/16. Thus, the camera is (again like the Pop) 2 stops below a sunny 16 camera able to (with the settings at default) to take shots in shade. and may over expose in bright sunlight.

The full exposure table would be as follows:

Film Speed ISO Setting Effective Aperture EV (Conditions) Notes
50 100/Flash f/4 12 (Open Shade, Heavy Overcast) 1,2,
100 f/8 14 (Weak hazy sun)
400 f/16 16 (Daylight in sand or snow)
100 100/Flash f/4 11 (Sunset, Deep shade)
100 f/8 13 (Cloudy bright)
400 f/16 15 (Bright sun)
200 100/Flash f/4 10 (Landscapes immediately after sunset) 3
100 f/8 12 (Open shade, Heavy overcast)
400 f/16 14 (Weak hazy sun)
400 100/Flash f/4 9 (10min after sunset, Spotlit subjects) 3, 8
100 f/8 11 (Sunset, Deep shade)
400 f/16 13 (Cloudy bright)
800 100/Flash f/4 8 (Bright city squares, Bright interiors) 4
100 f/8 10 (Landscapes immediately after sunset)
400 f/16 12 (Open shade, Heavy overcast)
1600 100/Flash f/4 7 (Bright night time streets, Stage shows) 5, 7
100 f/8 9 (10min after sunset, Spotlit subjects)
400 f/16 11 (Sunset, Deep shade)
3200 100/Flash f/4 6  (Bright home interior, Fairgrounds) 6, 8
100 f/8 8 (Bright city squares, Bright interiors)
400 f/16 10 (Landscapes immediately after sunset)
6400 100/Flash f/4 5 (Churches, Subjects lit by bonfires) 9
100 f/8 7 (Bright night time streets, Stage shows)
400 f/16 9 (10min after sunset, Spotlit subjects)
Notes
1 I have not provided data for 400/Flash settings as this aperture (f/8) is provided via other means (the ISO 100 setting). You can use the rows for this setting to asses background exposure at ISO 400 with flash as correct for EV 11 (Deep Shade).
2 The EV settings are correct for background subjects (i.e. out of flash range). If using the flash, foreground subjects will only be exposed correctly if the ISO setting on the Pop is correct for the film used, other than where the film speed used is lower than the film speed set on the camera, where the flash should have minimal effect. IN all other cases the flash will over expose the foreground subject
3 Use caution with foreground subjects, these would be 1 stop over exposed
4 Use extreme caution with foreground subjects, these would be 2 stops over exposed.
5 Do not use with foreground subjects, these would be 3 stops over exposed!
6 Do not use with foreground subjects, these would be 4 stops over exposed!!
7 Flash is likely to be banned/inappropriate in some of these settings (i.e. Spotlighted Subjects, stage shows)
8 ISO 1600 Push One may be used for colour films at this speed.
9 ISO 3200 Push One may be used here.

Vital  Statistics

Type: 35mm viewfinder camera
Lens: Konica Hexanon 38mm, f/4, 4 elements in 3 groups.
Aperture: f/4, 8, 16
Shutter: 1/125s between element
Flash: GN 45ft at ISO 100, 6-8s recycle time, approx 250 cycles per set of batteries
Transport: Manual
Filter Thread: 46mm
Dimensions: 128 x 73 x 53mm; 300g.

Links

Konica C35  EFP at Camerapedia
Konica C35 EFP at La collection d’appareils
Manual at Butkus.org

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