Using in combination with the T power control 1 highly effective in macro photo and medical photo applications. It is specially useful for shadowless lighting effects with macro subjects where the short working distance makes use of regular light sources impractical. The guide number is 10 at ISO 100 in meters. OTF auto or manual flash can be selected.
Specifications Olympus T10 ring flash and Ring cross pola filter.
Type: OTF centralized control system auto flash.
Guide number : OTF Auto ; 10 (33) Manuel : Hi 10 (33) and Low 4(13) at ISO 100 in meters (feet).and at 1m flash-to-subject distance.
Coverage angle : 80º
Number of flashes : 100—500 with :AA” alkaline batteries on OTF auto.
Recycling time: 0.2—10 sec.
Mounting to lens : 49 / 55mm screw.
OTF Auto : Centralized Control flash with OM-4, OM-2sp, OM-2n , OM-2 and OM-40.
Manuel : Selection of full flash GN / aperture / magnification: Via exposure calculator.
Modeling lamps : 8 bulbs built-in ,operate on 4 1,5v “D” batteries in optional 6V power pack1,2 or AC adapter 3.
Spiral cord length: Approx 30cm (1ft)
Dimensions and weight : 86Ø x 18mm 95 grams.
Ring Cross Filter Pol : Outer polarizing filter ( covering flash surface) is oriented at right angles to inner polarizing filter ( Covering camera lens).
Notes : In Manuel mode , it is recommended to open the lens aperture approximately 3-6 stops from the “Full” position indicated by the calculator panel.
Color rendition can be influenced by the film to the extent that golden colors assume a bluish tone , while red colors increase in intensity or also turn to bleu.