Bushnell Deep Space 18-1560 (150 x 53mm) Telescope "4mm eyepiece" Questions

...4mm eyepiece. I can focus 100% when using the 20mm eyepiece. What am i doing wrong or is my 4mm faulty. Regards Gary Hello, What you have is called a refractor-type telescope with the primary lenses ...

...eyepiece with Sr 4mm end piece... cant focus..the eyepiece end is threaded on inside..only 1 lens is in it at viewing end... is one missing??? Probably -- the 4mm gives too much magnification for you ...

A lens is missing This telescope uses 1.25 inch eyepieces. Comes originally with a 20mm and a 4mm (probably cheap modified acromats) The 4mm would exceed the maximum practical magnification. 50x per ...

...useful power. Therefore, you should be able to used the 20mm eyepiece with or without the barlow but the 4mm should only be used without the barlow. I hope all of the math wasn't confusing. ...

...4mm eyepiece fitted either. im trying to view a house chimney stack at around 300mtrs. the image is blurry with the 4mm eyepiece fitted. any help is much appreciated. ****. TOO much magnification! ...

...is not something new as I approach I see nothing through the lens I have put the 4mm The 4 mm is VERY difficult to see through-- use the eyepiece with the largest number written on it and NOT the

...4mm may also be too much magnification for this size telescope. So-- put the eyepiece with the largest number written on it into the diagonal and practice focusing on a distant object during the ...

...4mm eyepeace. Could you help me locate such an eyepiece? Thank you in advance, Tony G. You may be able to find these for sale on: www.astromart.com However-- it is very doubtful if your scope can ...

...4mm eyepiece? Hope that made sense Your small telescope will never get beyond about 100 power --- the maximum resolution is calculated as 50 times aperture under perfect conditions! Use the eyepieces ...

...4mm eyepiece. Start with lower powers and work upwards in easy steps. The greater the power, the narrower the field of view, and it becomes very hard to find anything at all. little correction ...