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  1. R

    don't know what it fits.

    I have been given a zoom eyepiece for a terrestrial telescope 25x-75x with a screw fitting 37.5mm. I don't know what make it fits. Can anyone help, please?
  2. R

    Sparrow terrace or tower nest boxes?

    I have been given a three storey tower nest box but every other sparrow box I have seen is a terrace. Is it worth fixing this tower or should I alter it to a terrace?
  3. R

    Perth Australia . Kestrel ?

    Received email from brother in WA who thinks this is a Kestrel. I'm not sure it is red / brown enough.
  4. R

    Canon 10x30 IS stabilised binocular sticky covers

    Had a couple of the 10x30 IS pass through the workshop recently where the outer covering has gone horribly sticky. The black came off on hands and clothes. Talcum powder did not help so I used the stuff that removes the sticky glue left behind when you peel off a label. It did not damage the...
  5. R

    funny numbers on binocular

    Just received a Yashica for repair. The rubber is printed 29900x1990. I have measured the bino and it is almost certainly 8x32 but I am puzzled by the very large numbers which don't seem to relate. Any ideas?
  6. R

    old telescopes on The Repair Shop

    The Repair Shop has two old refurbished telescopes being broadcast soon. BBC 1 thursday 5th and monday 9th dec. 4.30pm so may need to put the recorder on.
  7. R

    Common frog spawn

    Small garden pond near Southampton UK had one clump of spawn yesterday but now probably 6 clumps. The water is only 3 degrees C.
  8. R

    Opticron HR GA 80 v Swaro AT HD 80

    Just fixed a damaged Opticron HR GA 80 ED which I bought through an auction site. Have spent quite a while today comparing it with my Swarovski AT 80 HD and have decided to sell the Swaro. Both fitted with 20x-60x eyepiece and 30x wa. The Opticron weighs 0.2 kilo more but I guess that's mainly...
  9. R

    Eyecups for older Elite models.

    Replacement eyecups for older Elites have been unobtainable for some time but if you PM me I can put you in touch with a supplier of new rubber fold down eyecups which fit the threads on the older versions of the Elite models. 10x42 models 61-1042 and 61-4210 8x42 models 61-0842 and 61-2848
  10. R

    Repair workshop closing for the Summer

    The repair workshop, Action Optics, is closing for the Summer but I want to advise my customers of alternative workshops as I can't expect them to wait for three months. Can you recommend a workshop that you have used recently? I know about Optical Instruments (Balham) and Glasgow Binocular...
  11. R

    Finder-scope for Digiscoping

    I have been experimenting today with a Red Dot Finder 'scope intended for an Astro Telescope and it works on a terrestrial 'scope just as well. I had to find a flat / parallel surface on the telescope to fix the finder and on the Mirador 80mm that I was using, the only parallel surface was the...
  12. R

    Technical knowledge to share

    I have been repairing optical instruments for years ( in fact, since leaving school oh so many years ago ) and for the last 20 years I have run my own workshop specialising in binoculars and telescopes. I still enjoy the technical side of the equipment and still find that many people are puzzled...
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