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EYE H175 This was a eBay find. I have the coated version (H175PD) in my collection so I figured I'd also grab the clear version. This is a newer one, from when EYE started to make these in China instead of Japan. Interestingly, I think only the more common wattages got transferred, the less common wattages remained Japanese made until the end of production. Note the more rounded BT-28 envelope compared to the classic North American BT-28 envelope. Keywords: Lamps

EYE H175

This was a eBay find. I have the coated version (H175PD) in my collection so I figured I'd also grab the clear version. This is a newer one, from when EYE started to make these in China instead of Japan. Interestingly, I think only the more common wattages got transferred, the less common wattages remained Japanese made until the end of production.

Note the more rounded BT-28 envelope compared to the classic North American BT-28 envelope.

HO450_electrode_UV-IR.jpg DSC06439.jpg DSC06446.jpg DSC06451.jpg DSC06449.jpg
Lamp/Fixture Information
Manufacturer:EYE/Iwasaki Electric Co. Ltd.
Model Reference:H175
Lamp
Lamp Type:Mercury Vapour H39
Shape/Finish:BT-28
Service Life:24000 hours
Fixture
Ballast Type:H39
Electrical
Wattage:175w
Optical
Colour Temperature:5700K
Colour Rendering Index:20
Physical/Production
Factory Location:China
Fabrication Date:17D - April 2017?
File information
Filename:DSC06446.jpg
Album name:347vPowerlite / Lamps
Keywords:Lamps
Filesize:879 KiB
Date added:Feb 13, 2025
Dimensions:3072 x 2048 pixels
Displayed:9 times
DateTime Original:2025:02:09 21:55:11
Exposure Time:1/80 sec
FNumber:f/16
File Source:Digital Still Camera
Flash:No Flash
Focal length:25 mm
ISO:800
Model:ILCE-6400
Software:Adobe Photoshop 21.1 (Windows)
White Balance:0
URL:https://trad-lighting.net/gallery/displayimage.php?pid=667
Favorites:Add to Favorites

Comment 1 to 2 of 2
Page: 1

Max   [Feb 13, 2025 at 10:55 PM]
April 2017 is the correct date, so this is indeed a rather late lamp for a clear merc.
347vPowerlite   [Feb 15, 2025 at 11:55 PM]
Thanks! I think this might be my newest clear mercury lamp. I also have a EYE 50w clear with a 2016 date code.

Comment 1 to 2 of 2
Page: 1