Name: Telesphere Mask (Heilig’s HMD), (Simulation Mask)
Maker: Morton Leonard Heilig
Released: Never
Type: Video Powered
Display: 3-D CRT display
Field of View(FOV): 40°
Refresh Rate: 25 Hz
Launch Price: Never Sold To PublicNever Sold To Public
Weight: Unknown

Maker: Ivan Sutherland
Released: 1968
Type: PC Powered
Display: X2 Minature CRT’s
Field of View(FOV): 40
Refresh Rate: 10 Hz
Launch Price: Never Sold To Public

Maker: Cybermind Interactive Nederland
Released: December 2005
Type: Retro – (Pre 2012)
Display: SXGA (1280×1024), about 1.3 million pixels x RGB
Field of View(FOV): 45°
Refresh Rate: 40 Hz
Launch Price: $12,900
Weight: 590 g (20.81 oz)

Headset: Visette (The HMD of the 1000 SD)
Manufacturer: W Industries Ltd (Later to be renamed “Virtuality Group Plc”)
Resolution: Color LCD, 372 x 276 elements
Weight: 650 g (22.92 oz)
Field of view: 90-120H, custom optics
Video in: NTSC
Cost: £20,000
Launch Date: 1991
Estimated Value: $4,089 (£3,000)

Manufacturer: VPL Research Inc
Resolution: Color LCD, 720 X 400 elements
Weight: 538 g (18.97 oz)
Field of view: 106HX75V, custom optics
Video in: NTSC or RGB
Cost: $49,000 (£35,949)
Launch Date: June 1992
Estimated Value: $8,000 (£5,869)

Manufacturer: VPL Research Inc
Resolution: Color LCD, 442238 elements
Weight: 2.5 lbs
Field of view: 108H x 76V, custom optics
Video in: NTSC
Cost: $58,000 (£42,531)
Launch Date: February 1992
Estimated Value: $4-6,000

Manufacturer: VPL Research Inc
Resolution: Color LCD, 442X238 elements
Weight: 2.5 lbs
Field of view: 108 HX76 V, custom optics
Video in: NTSC
Cost: $9,150
Launch Date: 1992
Estimated Value: $4-6,000

Manufacturer: VPL Research Inc
Resolution: Color LCD, 360×240 elements
Weight: 2.6 lbs plus 3 lbs counterbalance
Field of view: 90-100H, LEEP optics
Video in: NTSC
Cost: $6000
Launch Date: 1995
Estimated Value: $4-5,000

Manufacturer: Virtual Research
Resolution: Color LCD, 360×240 elements
Weight: 1678 g (59.18 oz)
Field of view: 90-100H, LEEP optics
Video in: NTSC
Cost: $6000 (£4,400)
Launch Date: 1994
Estimated Value: $4-5,000