Chinon Genesis IV
The Genesis product family
The Genesis camera family consisted of 4 models (see table below), each new model replacing the previous one. All models had a fixed zoom, motorized stepless autofocus, autoexposure, a built-in pop-up flash, motorized film transport, and automatic (DX) film sensing.

Chinon Genesis IV

Section Title: The Genesis product family
Table Section Text: The Genesis camera family consisted of 4 models (see table below), each new model replacing the previous one. All models had a fixed zoom, motorized stepless autofocus, autoexposure, a built-in pop-up flash, motorized film transport, and automatic (DX) film sensing.

Genesis (GS-7)	Genesis II (GS-8)	Genesis III	Genesis IV

Lens Focal Range	35mm - 80mm (Zoom lever)	35mm - 80mm (Zoom lever)	38mm - 110mm Powered Zoom	38mm - 135mm Powered Zoom

Lens Accessories	105mm teleside converter, 62mm screw-in filters	105mm teleside converter, 62mm screw-in filters	1.4x teleside converter, 58mm screw-in filters	0.8x Wide-angle, and 1.4x teleside converter, 58mm screw-in filters

Lens Max Aperture	f/4.1-6.4	f/4.1-6.4	f/4.4-5.6	f/4.0-5.6

Lens Construction	8 elements in 7 groups	8 elements in 7 groups	12 elements in 11 groups	13 elements in 10 groups

Focus distance	0.85m(33.5 in) - infinity	0.85m(33.5 in) - infinity	0.85m(33.5 in) - infinity	0.85m(33.5 in) - infinity

Focus System	Active IR	Active IR	Dual Mode Passive Phase TTL and Active IR	Dual Mode Passive Phase TTL and Active IR

Shutter Speed	1/4 - 1/300	1/4 - 1/300	1 - 1/1000, Bulb	1 - 1/1200, Bulb

Exposure Modes	Program AE, Slow Sync AE	Program AE, Slow Sync AE	Program AE, Slow Sync AE, Action, Creative	Program AE, Slow Sync AE, Action, Creative

Exposure Metering	Average TTL	Average TTL	Average TTL	Average TTL

Shooting Mode	Single, Continuous 1 frame/s, Self, Multi 3 on 1 frame	Single, Continuous 1 frame/s, Self, Multi 3 on 1 frame	Single, Continuous 1.5 frame/s, Self, Multi unlimited	Single, Continuous 1.5 frame/s, Self, Multi unlimited

Flash	GN 12 (at ISO 100), 3 sec recycle time	GN 12, 3 sec	GN 14, 4 sec	GN 14, 4 sec, Red-eye preflash

Sentence(s)

Chinon Genesis IV had a fixed motorized 38-135mm (f/4.0-5.6) autofocus zoom lens, a built-in flash, TTL metering, and automatic film-transport system.

final_sentence: Chinon Genesis IV had a fixed motorized 38-135mm (f/4.0-5.6) autofocus zoom lens, a built-in flash, TTL metering, and automatic film-transport system.