SKU: 30567673229

Optical Bench Simple Type

Sale price$157.95 Regular price$175.50
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Description

Optical Bench Simple TypeThe IEC Optical Bench is a low cost but very useful optical system that permits experiments in reflection, refraction, lenses and the creation of images. The bench is 1. 5m long with an adjustable metric scale. The comprehensive kit of parts includes convex and concave lenses, targets, large prism, prism table, various photographic slides, a white screen and sliding supports for components. The Optical Bench Simple Type is designed to be used with the

The IEC Optical Bench is a low-cost but very useful optical system that permits experiments in reflection, refraction, lenses and the creation of images. The bench is 1.5m long with an adjustable metric scale. The comprehensive kit of parts includes convex and concave lenses, targets, large prism, prism table, various photographic slides, a white screen and sliding supports for components.

The Optical Bench Simple Type is designed to be used with the Hodson Light Box as the light source and the lens and prism blocks from the Light Box kit can be used on the Optical Bench. The study of colours and shadows is performed from the mirror end of the light box and the study of light rays and the creation of images is performed from the front end of the light box. 

Kit Includes: 

  • 1 x Aluminum Bench, 1.2M long with 1M scale fitted
  • 1 x Plastic pillar to clamp to bench to support light source
  • 1 x Platform (tapered shape) to support Hodson Light Box (presses tightly over plastic pillar clamped to bench)
  • 3 x Tubular supports with circular clips for 50mm dia. lenses and mirrors (accepts circular lens/mirrors
  • 4 x Tubular supports used for holding square plates and cards etc.
  • 1 set Prism table, circular, with tubular support
  • 4 x Square plates with center hole for lenses and devices
  • 1 x White card screen
  • 1 x Photographic slide of a 3mm dia. hole
  • 1 x Photographic slide of a 5mm dia. hole
  • 1 x Photographic slide of an 8mm dia. hole
  • 1 x Photographic slide of the letter 'F'
  • 1 x Photographic slide of a metric scale
  • 1 x Photographic slide of circular targets (5 & 10mm dia.)
  • 2 x Convex lens, 50mm dia. X 100mm focal length
  • 2 x Convex lens, 50mm dia. X 200mm focal length
  • 2 x Convex lens, 50mm dia. X 300mm focal length
  • 1 x Concave lens, 50mm dia. X 100mm focal length
  • 1 x Concave lens, 50mm dia. X 200mm focal length
  • 1 x Concave lens, 50mm dia. X 300mm focal length
  • 12 x Rubber bands for holding lenses and devices to the square plates
  • 1 x Triangular prism
  • 1 x Light Box Hodson Type (for SE.HL2240-001 only)
  • 1 x Instruction sheet

 

Dimensions:  190mm (L) x 100mm (W) x 25mm (H)
Weight: 0.15 kg

 

Product Code Type Manual
SE.HL2240-001 With Hodson Light Box See Here
SE.HL2241-001 No Hodson Light Box See Here
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 30567673229

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ArkansasLMT
Lowell, US
★★★★★ 5
Saved my sanity
Size: Small: 24" x 24"
I thought I knew everything about cats, but when my 14 year old cat stopped using the litter box, I could not fix it. I did persuade her to start using puppy pads but the problem was she would pee toward the edge and it always got on the floor. Or, defying everything I know about reality, she would find a way to pee UNDER the puppy pad. I asked ChatGPT for advice and it recommended these. They fixed the problem by 80% and I'll take it! These mats help a ton. She still gets some pee on the floor, but it's not the huge problem it used to be. The edge on the mat keeps it contained. And enzymatic cleaner works its magic on the floor. The clips that go on the edges are kinda fragile, but that's why they give you extras.
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Reviewed in the United States on February 10, 2026
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Ilein
Draper, US
★★★★★ 1
Not Leak Proof
Size: X-Large: 28" x 34"
horrible do not buy! leaks threw and caused a permanent stain and smell. thought it was good but after a week i noticed the smell and lifted up the mat there was complete pee under.
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Reviewed in the United States on April 12, 2026
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Jarett
Whiting, US
★★★★★ 5
Great investment
Size: Small: 24" x 24"
It catches the pee that runs off the pad, great investment!!
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Reviewed in the United States on February 12, 2026
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Karen
Carnegie, US
★★★★★ 2
It doesn’t stop leaks from the pee pad.
Size: X-Large: 28" x 34"
I’m trying to figure out how not to have leaks occasionally. I’m going to call the company to see if there’s something I should be doing.
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Reviewed in the United States on January 3, 2026
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Michael Holbrook
San Leandro, US
★★★★★ 5
Training pad holder literally rises above the competition
Size: 24"X24"
We have been through a variety of potty pad products during our housetraining journey with our Havanese pup. The Petphabet training pad holder has been the best by far and has ended our search for a number of reasons: Pros: 1. Grid design keeps puppy from chewing/tearing/destroying/eating the potty pad. 2. Size is perfect for our pup even as he is getting bigger (15 lbs) - mileage may vary for larger pups/dogs. 3. HERE IS THE REASON THIS PAD HOLDER STANDS OUT AMONG THE COMPETITION - The top grid is elevated off the surface layer where the pad lays, which allows an air gap between the standing surface and the potty pad. This allows the urine to fall to the pad without pooling and without your pup stepping in it and tracking it everywhere! Cons/Areas for improvement: 1. We like blue but it's not for everyone! 2. The "posts" holding the mesh up from the base carry all of the weight of the dog and in some cases jumping or playing on the pad holder can cause the edges of the posts to cut through the potty pad liner, causing a (minor) leak. I would recommend the manufacturer design any subsequent models with larger, flat surfaces on the post supports. 3. The 4 piece design means the base is not solid but has a split down the middle that is not waterproof. This can be remedied by caulking the 2 sides of the base together with clear silicone assuming you will no longer need to disassemble the unit. 4. Poo can get caught in the grid if your pup has loose stool. If not removed quickly your pup may step on it and really pack it in there. After many trials with other products, we are very happy with this training pad holder and have bought a total of 3 units for different areas of our house. I highly recommend for small dogs/pups!
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Reviewed in the United States on August 28, 2023

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