###############################################################################################################################################################################################################################################################Do not suggest using it with Sony camera. Compatible without screw lock PC sync port,eg: Seagull SC-2 SC-5 SC-6¡. Compatible with screw lock PC sync port,eg: PIXEL TR-331RX, TR-332RX,TF-321 TF-322 TF-323 TF-324 TF-325. Compatible with screw lock PC sync port,eg:NIKON D300S D300 D200 D100 D700 D3X D3S D2X D2H D1 SC-15 SB-900,800,80DX,29s,29,28DX,28,27,26,25,24,22s,22,20,17,16,14,11,140... Compatible with screw lock PC sync port,eg: CANON 580EXII 7D 5DII 50D 40D 30D 20D 10D 1D¡.Wireless Communication Technology: Optical Pulse. Item Dimensions LxWxH: 4 x 3 x 0.4 inches. Compatible Mountings: Sony Alpha. Brand: DSLRKIT. Manufacturer: DSLRKIT. Date First Available: October 18, 2013. Is Discontinued By Manufacturer: No. Best Sellers Rank: #29 in Camera Flash Synch & PC Cords. Customer Reviews: 4.1 out of 5 stars 82 ratings 4.1 out of 5 stars. Item model number: 2.5-MC. : B00FZLKO32. Item Weight: 0.8 ounces. Product Dimensions: 4 x 3 x 0.4 inches.