stump4545 Posted March 19, 2022 Share #1 Posted March 19, 2022 Advertisement (gone after registration) Any thoughts on picking the 1.4x or 2.0x Sigma converter for 150-600mm lens and SL2? the 2.0x would give me more reach, but will image quality suffer a whole lot more? seems that 1.4x are more commonly used. Link to post Share on other sites More sharing options...
Advertisement Posted March 19, 2022 Posted March 19, 2022 Hi stump4545, Take a look here Sigma 1.4x vs 2.0x, for SL2. I'm sure you'll find what you were looking for!
michali Posted March 20, 2022 Share #2 Posted March 20, 2022 9 hours ago, stump4545 said: Any thoughts on picking the 1.4x or 2.0x Sigma converter for 150-600mm lens and SL2? the 2.0x would give me more reach, but will image quality suffer a whole lot more? seems that 1.4x are more commonly used. I have the 1.4x Sigma converter & use it on the 150-600mm from time to time, there's no real loss of IQ. I experimented briefly with a loaner 2X Sigma converter & opted out, there is a discernible loss of IQ. Link to post Share on other sites More sharing options...
Ivar B Posted March 21, 2022 Share #3 Posted March 21, 2022 I agree - although I have only tested the 1.4x. Performance is very good. Why do you need 1200mm in the first place? I believe also that reviewers have claimed that optical performance suffers somewhat with the 2x extender. Link to post Share on other sites More sharing options...
stump4545 Posted March 22, 2022 Author Share #4 Posted March 22, 2022 never had a lens as long as 1200mm so wanted to try but seems most opt for 1.4x when needed. Link to post Share on other sites More sharing options...
Sandokan Posted June 13, 2022 Share #5 Posted June 13, 2022 Put the lens and 1.4x on a CL or TL2 for a 1260mm lens 1 Link to post Share on other sites More sharing options...
jaapv Posted June 15, 2022 Share #6 Posted June 15, 2022 On 3/19/2022 at 9:54 PM, stump4545 said: Any thoughts on picking the 1.4x or 2.0x Sigma converter for 150-600mm lens and SL2? the 2.0x would give me more reach, but will image quality suffer a whole lot more? seems that 1.4x are more commonly used. When do you need 1200 mm? Stability can be obtained by a hefty tripod but there is no way to avoid deterioration by the atmosphere. I can only imagine use as a celestial telescope. Don’t forget that you lose two stops on lens speed so you would have to crank up the ISO as well. 1 Link to post Share on other sites More sharing options...
jankap Posted June 15, 2022 Share #7 Posted June 15, 2022 (edited) Advertisement (gone after registration) I had good results with an APS-C camera + Leica R 500mm + 2x Extender. But not used very often, to see what happens only. Edited June 15, 2022 by jankap Link to post Share on other sites More sharing options...
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