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1.25” Diagonal Recommendations

Littleguy80
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mikeDnight

mikeDnight

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On 27/05/2019 at 09:29, Piero said:

Just a quick question as I don't want to change the topic of this thread. Do you have the f 7.4 or f 9 version? If the former, have you noticed any lateral chromatic aberration using the prism on this telescope? 

I have the F7.4 which I use with the 1.25" Tak prism, and there is no visible CA, lateral or otherwise from the prism. Wide angle eyepieces introduce lateral colour in any telescope, refractor or reflector, but the prism introduces none and is pure and a joy to use in the F7.4.

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Littleguy80
Littleguy80

Decision made. Here’s what I bought: The eagle eyed amongst you will have noticed that this isn’t a 1.25” Diagonal  Whilst a lot more expensive, even at secondhand prices, than the diagonal

Paz
Paz

+1 for the Takahashi diagonal as a small, light, super short light path 1.25" diagonal.

F15Rules
F15Rules

The Tak prism diagonal is very good. So is the Baader T2 prism (I have the non - Zeiss one). It has a 32mm aperture so less likely to vignette, and being prisms, both have a shorter light path than mi

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