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MZack

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About MZack

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    Vacuum

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    London
  1. I agree Stu. The mount sits on a Berlebach Ash tripod which is fine and good for transporting to star parties etc. I am thinking of a pillar mount for extra stability and slightly easier to get my observing chair around in the observatory. To A40faringagolf, make sure your tripod is a sturdy one as Stu points out about minimising vibrations the bins will move the centre of gravity out further than most scopes. I have two 5kg skywatcher/Celestron counter weights on the other side although one will do if positioned at the end of the extension bar. Malcolm.
  2. Hi. I don’t have the detailed spec as it was designed and made by Alan Marriot of AGM Design in Stevenage. I can share his details. Some pics attached. It’s over engineered and Alan charged me £200 for design and manufacturing. It weighs 2.25kg. It was originally for my 100mm APMs but takes the 120s easily. Although it’s more costly than commercially available ones it’s supporting well over £4K worth of kit not including eyepieces. So I think it’s worth making sure you have a good bracket. The dovetail is not shown here as it’s attached to the bottom of the bins but it slides into a channel which is secured by a moveable clamp operated by two screws on the side which move the clamp up against the dovetail. You can move the dovetail along the channel to get the balance right but I hardly need to adjust it at all. Note that he designed it specifically for the AYO Mount and it’s style of clamp to attach the l bracket. The Ioptron may need a different style. I agree with an earlier comment that counterweights are best added to keep it smooth Hope that helps. Best. Malcolm
  3. Hi. It should be a great set up. I’ve mine on an AYO Mount with built in encoders as a push to. I’d check that the L bracket is strong enough not to bend or risk breaking. I had one custom made as I didn’t want to risk damaging an expensive piece of kit!
  4. Thanks Mike. That’s very helpful. I’ve a TV panoptic 19mm but other than the wider FOV my 18mm volcano top ortho seemed to present a tidier view.
  5. Hi @Dave1 yes, Mark did put it on Cloudy Nights as well. It’s a 3 inch and a real joy to use. I took it up to my local society for a Lunar observing evening and it was one of the stars of the show. One member felt it out performed a 120mm modern F8 refractor standing alongside which was nice to hear. I’d add to the posts about how important a sturdy mount and tripod are to the whole set up. Lots of discussion about the quality of older lenses but they need good support to bring out the best in them. I mentioned I found old orthos perform well, has anyone had any particular experiences with modern brands? malcolm
  6. Hi. Just seen this thread, may be a bit late but I too own a classic refractor, an F13 HN Irving as well. I’ve owned it since a teenager in 1979 and had it refurbished and cleaned up by Mark Turner at Moonraker as well. The original lens seemed ok but since “upgraded” with an even older achromatic from Broadhurst and Clarkson estimated to be from around the 1940s. Great on double stars and the moon. Modern eps do well but I still love my volcano orthos. Seems like there are a good number of keen users of the old ‘uns out there!
  7. I have several makes but my favourite brand is Fujinon. My 10x70 pair are very flat almost to the edge and show tremendous views of the major clusters. I've also a pair of rubber armoured 7x50s which are heavy but superb at night and daytime. The lighter Mariner 7x50 are also very good but have smaller eyepieces. The 8x32s are my daytime choice. Most of the time I use the 10x70s on the Orion Parrallogram Mount as the eye relief is excellent and they have large eyepieces. They cost around £500 when new about 5 years ago and today retail around £700-£900 but compared to Zeiss and Leica prices they are very good value. At the lower price end of day around the £100 or below mark I found the old Meade 9x63s amazingly good with large eyepieces and eye relief. These are now made by Bresser whose 8x56 aren't bad either. Malcolm.
  8. Hi Has anyone seen/used or found reviews on the Teleskop Service brand of 100mm binoculars? They have a 45 degree and a 90 degree version - looks around F5. They look similar to the APM EDs and the Orion BT 100s but the latter I think are doublets. Retailing for around €1k. I've read some farily good reviews on the APMs on other forums. Malcolm
  9. Just to say Hi. I formally joined today. Been interested since I was 6 which was a VERY long time ago. I'm a member of Loughton Astronomical Society and primarily visual observer although through light polluted skies!. Skywatcher 120 ED DS Pro on Celestron CGT5 Goto mount which is housed in my observatory. Also have WO 72mm as a grab and go. 76mm F13 Irving Refractor ( my first "proper" scope). Various mounts - AZ4 and The Teleoptic Giro Ercole. Oh - yes and about a dozen binoculars - ( when I last looked! - Favourites are Fujinon 10 x 70s). Looking forward to taking part in the forum. My teenage son is keen and he uses a Celestron 102 F6 Refractor on the AZ4 plus binoculars. Malcolm
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