Astromania 2-Inch Telescope Eyepiece Extension Tube Adapter - Optical Length 50mm - with Standand 2-Inch Filter Threads
Electronics > Camera & Photo > Accessories > Telescope & Microscope Accessories > Telescope Accessories > Photo Adapters
About this item
- Fits in 2" telescope focusers, and accepts 2" eyepieces or accessories. Threaded for use with standand 2-Inch astrophotography filters.
- Features two locking thumbscrews to secure any inserted astronomy accessory, with a brass compression insh to prevent the marring of your telescope accessories.
- Extension tube provides extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications.
- With this simple and useful device, you can extend the focal length of your telescope 50mm or a little more. The various models have focal lengths of 35mm, 50mm and 80mm which you can find in our store, the required spacing can be achieved by combining several extenders of differing lengths,you can use 1 piece, 2 pieces , 3 pieces of the extension tube adapter as you like.
- Machined of high quality aluminum and anodized black, durable for long time use.
Reviews
★★★★★
Size: 35MM | Verified Purchase
Got the job done!
This was exactly what the doctor ordered… The last extender I bought was too long. I bought it because I couldn’t focus out enough to get a sharp image. Unfortunately that extender (2”) had exactly the opposite effect. It was so far out that I couldn’t focus in enough! This one is perfect!
I guess I’ll save the other one for when I start doing Astrophotography.
★★★★★
Size: 35MM | Verified Purchase
Extension Tube Adapter
If your looking for an extension tube, this one is of great value for the money. I use various brands of extension tubes, some of which cost a lot more, and have had no issues with this model compared to the others. I use it for both visual and photography.
★★★★★
Size: 35MM | Verified Purchase
Nice finish & no-mar collar, EXCELLENT VENDOR SUPPORT!!
This 2" extension tube is basic but well made, clean black anodized finish, non-marring internal collar. Astro mania logo is silkscreened to the side. Fits my focuser w/o fighting but not too loose. Had a problem with the first order (box crushed, light damage during shipping) Vendor stepped up immediately and sent another quickly - Absolutely STELLAR VENDOR SUPPORT from Astromania!!
★★★★★
Size: 35MM | Verified Purchase
Useful eyepiece extender
Works perfectly when needed and is well made.
★★★★★
Size: 35MM | Verified Purchase
Telescope Extension Tube
I remounted the telescope focuser for prime focus photography. To switch from prime focus back to eyepiece, I needed an extension tube that was shorter than the standard 2" extension tube. This unit worked out perfect, just what I needed. Thanks.
★★★★★
Size: 35MM | Verified Purchase
Pleased again with Astromania!
Great quality and very sturdy on telescope. I have several Astromania products and have been please with the price to quality ratio. Quick shipping too!
★★★★★
Size: 50MM | Verified Purchase
Solid. Doesn't mar my eye pieces.
Solid. Doesn't mar my eye pieces.
★★★★★
Size: 35MM | Verified Purchase
Great fit
Was able to achieve back focus perfectly.
★★★★★
Verified Purchase
Good
Good product
★★★★★
Verified Purchase
Good parts
Good parts and good seller thanks a lot my friend
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Question & Answer
Question :
Will this help convert a right eye telescope to a left eye telescope?
Answer :
This will help you to add length to the lens/focus train. Would expect that you could use any seeing eye, left or right, on any telescope as long as the focus was adequate. ;)
Question :
I have a sky watcher 200p dob. my 2.5 barlow wont focus with any eyepiece. i purchased the 80mm extender. now im thinking its too long? 50mm? help
Answer :
Does your eyepieces focus without the barlow? If so, do you have to rack the focuser out almost to it's limit? If the focuser is close to it's limit, then a barlow might take it beyond focus and you'll need an extension tube. The Astromania, however, is only needed when a regular extension tube is too long.
Question :
What is the overall length of the 35mm extender? There a three different lengths of this extender. I have a rather specialized need.
Answer :
Sorry, not familiar with this brand, the sizes are not universal.
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