you can buy them by the link:
https://www.ebay.com/itm/333640916812
NOTE;
1. It is top quality,not like those cheap flashlights.
2. for 67mm and 75mm,the net weight is a little heavy( 422g,482g),you need to notice,but the distance is the longest,The 50mm may be the best choice,
Dimensions:
33mm-->>Dimensions:215mm(Length)/41mm(Head)/25mm(Body)/28mm(Tail)
55mm-->>Diameter: 225 mm (Length) / 53 mm (Head) / 25 mm (Body) / 28 mm (Tail)
67mm--->>Dimensions: 245mm(Length)/70mm(Head)/25mm(Body)/28mm(Tail)
75mm -->>Dimension: 265mm(Length)/78mm(Head)/25mm(Body)/28mm(Tail)
Product Weight:
38MM UF1508::234g(Without Battery)
55MM UF1508:296g(Without Battery)
67MM UF1508:422g(Without Battery)
75MM UF1508:482g(Without Battery)
The Perfect IR Illuminator for Your Night Vision Needs:
Armasight Drone Pro
Yukon Photon
Pulsar N550/750
NiteSite NS50/200 Viper-Wolf
Ward D vision
DIY night vision
--
Utilizing High Power IR 850nm(or 940nm) LED Emitter,The Smallest
Infrared LEDs With More Than One Watt Of Optical Power. Rotary Focusing
System: Illuminate Much Farther With Smaller Light Spot.
Feature:
1)Made up of Latest IR Led 940nm or 850nm used for night vision & hunting.
2)Easy to change the pills. we have red/ green/ white/ IR /UV light for your choose.
3)Glow in the dark tail cap switch.
4)Brass pill to help heat dissipation.
5)focusable head, you can always achieve perfect illumination levels.
6)Glass lens for a flawless beam, no black circle.
7)Case Material: Aviation aluminum, CNC machining manufacturing.
8) zoom funtion to achieve the perfect spot light for hunting.
Specifications:
Brand:UniqueFire
Model: UF1508 IR Flashlight
LED:IR 850NM/940NM LED
Material: Aircraft Aluminum Alloy
Battery: Support 1 x 3.7V or 2x 3.7V Rechargeable Battery (Not Included)
Range: 50-150 Meter+
Batteries Input Voltage:7.4-8.4 V
Lens: 38MM /50MM/67MM/75MM Aspherical Lens
Waterproof: Splash Proof Only
Construction: Shockproof and waterproof
Running Hour: 2.5hours
Remote Switch:Dual Mode(very Convenient,with touch mode)
Package :
By your choice