Give its two shortcoming over reflecting type telescope.

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Shortcomings

· By lenses of diameter 1.02m and above tend to be very heavy and therefore, difficult to make and support by their edges

· Very difficult and expensive to make large sized lenses, which can form images that are free from any kind of chromatic aberration and distortions.

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Give its two shortcoming over reflecting type telescope.

Shortcomings · By lenses of diameter 1.02m and above tend to be very heavy and therefore, difficult to make and support by their edges · Very difficult and expensive to make large sized lenses, which can form images that are free from any kind of chromatic aberration and distortions.

Shortcomings

· By lenses of diameter 1.02m and above tend to be very heavy and therefore, difficult to make and support by their edges

· Very difficult and expensive to make large sized lenses, which can form images that are free from any kind of chromatic aberration and distortions.