what causes the poor quality

Started 1 month ago | Questions thread
Sjak Senior Member • Posts: 4,519
Re: what causes the poor quality

ocean76 wrote:

Sjak wrote:

An additional issue is that you're shooting wide open, since there is no aperture control.

Lenses typically are softer wide open.

the lens is f4 originally and shooting at f8 should still be sharp, so I really think that my adapter is wrong. But when I think again, how can an adapter without a glass can be the reason for these muddy and soft results? Does it make sense?

The TC will not close the aperture on your lens. So you're still shooting at full aperture = wide open.

The adapter itself is already less than ideal as there is no aperture control, and therefore limits you to shooting wide open. See also my other remarks re. this and other adapters in my previous post.

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