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Heliopan 40.5mm Long Metal Lens Hood

BH #HELHML40.5 • MFR #72540H
Heliopan
Heliopan 40.5mm Long Metal Lens Hood
Key Features
  • For Telephoto Lenses
  • Blocks Stray Light
  • Prevents Lens Flare
  • Same Diameter Front and Back of Hood
The 40.5mm Long Metal Lens Hood from Heliopan is screwed to the front of the telephoto lens to block stray light and prevents flare on the front element of the lens. The aluminum hood also protects the lens against sudden or accidental impact. The front diameter of the lens hood is the same as it is in the back, which means a lens cap can clip to the front of the hood without having to remove the hood.
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Heliopan 72540H Overview

The 40.5mm Long Metal Lens Hood from Heliopan is screwed to the front of the telephoto lens to block stray light and prevents flare on the front element of the lens. The aluminum hood also protects the lens against sudden or accidental impact. The front diameter of the lens hood is the same as it is in the back, which means a lens cap can clip to the front of the hood without having to remove the hood.

Primarily, longer lens hoods are used for telephoto lenses since the field of view is narrower. It is not recommended to place a long lens hood on a wide-angle lens, which could cause vignetting in your image.

Heliopan 72540H Specs

Mount TypeThread
Rear Lens Thread Diameter40.5 mm
MaterialAluminum
Packaging Info
Package Weight0.035 lb
Box Dimensions (LxWxH)2.35 x 2.35 x 1.55"

Heliopan 72540H Reviews

Heliopan lens hoods

By Bob
Rated 4 out of 5
Date: 2021-08-16

Heliopan quality. Contrary to what someone on the B&H staff noted in the Q&A for this item these hoods can be screwed together. I'd not recommend use of these as extension tubes as they are constructed to weigh as little as possible. They do work very well as lens hoods for small and/or specialty lenses where use of a compendium is not practical.

Very nicely made lens hood

By Godfrey
Rated 5 out of 5
Date: 2011-12-25

This is a replacement for the crumbling lens hood for my M-Rokkor 90mm f/4 lens. It is trim, beautifully finished, and fits perfectly. The only issue I have with it is that it took a longish time to obtain, but I suspect they don't sell too many of them so that's not a big deal.

Could be a bit deeper

By Paul
Rated 4 out of 5
Date: 2019-03-04

The description seemed to say it was deeper, but the quality is good.

Good Quality and Well Made

By David
Rated 5 out of 5
Date: 2016-11-25

Good quality and nicely made. Highly recommended.

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YOUR RECENTLY VIEWED ITEMS

Is this hood threaded on the front? In other ...

Is this hood threaded on the front? In other words, can it be used as a 40.5mm extension tube? If so, how long is it?
Asked by: Mark
I have two of these and sometimes screw them together, so yes, it does have front threads. Not sure how you would use these as extension tubes though.
Answered by: Sivertson
Date published: 2021-02-23

question

Is this lens hood compatible with Sony sel1650?
Asked by: Anonymous
Yes, the Heliopan 40.5mm Metal Lens Hood (Long) would fit onto the 40.5mm filter threads on the Sony 16-50mm f/3.5-5.6 OSS Alpha E-mount Retractable Zoom Lens. However, do note the lens hood may cause vignetting.
Answered by: Manzell L.
Date published: 2018-08-28

Will this vignette on a 50mm lens?

Will this vignette on a 50mm lens?
Asked by: James
You would be better off using the short version of this hood, Heliopan 40.5mm Short Metal Lens Hood, BH # HELHMS40.5 to prevent vignetting on a 50mm lens mounted on a full frame sensor camera.
Answered by: Kirk
Date published: 2021-02-23

ok for 40mm lens?

ok for 40mm lens?
Asked by: John
Great for more telephoto lenses, but for wider angle lenses like a 40mm lens, you may see some vignetting with a hood like this.
Answered by: Zachariah
Date published: 2021-02-22
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