The highly intrusive practice - colloquially known as "upskirting" - typically involves offenders taking a picture under a person's clothing without them knowing, with the intention of viewing their genitals or buttocks. He objected because it was a Private Members' Bill, he said, meaning it was introduced by an MP who hasn't been appointed by the Prime Minister to cover a specific area of legislation.
The incident prompted her to begin a campaign to make upskirting a punishable criminal offence in the United Kingdom.
Chope said he hadn't done detailed research on upskirting before opposing the bill, but supports criminalizing upskirting in theory.
Ms Martin's campaign won mass cross-party political support and widespread public support.
In an interview published on Sunday, the Tory grandee said he was acting on a long-held principle that has seen him routinely oppose backbench private members bills.
She tweeted: "I am obviously extremely upset and disappointed that Sir Chope chose to object to this vitally important bill for the women of England and Wales".
Sir Christopher has previously argued that he wants to ensure well-meaning but poorly-drafted bills do not get waved through without proper oversight.
Even then, it would only take one dissenting voice to again put a stop to its progress.
"Ryan (Whelan, her lawyer) and I have just spoken with Sir Christopher and he has agreed to meet with the two of us to discuss the Bill. We knew this was a risk - but I stand with powerful, passionate women and men behind me, and am confident that Lucy Fraser is committed to - and will - close this gap in the law".
"I'm positive and hopeful that he will become a supporter".
One British politician has single-handedly blocked a bill that would criminalize "upskirting" in the UK.
She has asked for her bill to return to the House on 6 July.
He explained that he stopped the bill from progressing because he disapproved of how the legislation was being brought in.
If passed, someone who takes a photo under a victim's skirt in England and Wales could face two years in prison.
Victims of upskirting have been found to be as young as 10 years old.
While Scotland has had its own law on upskirting for nearly a decade, there is no specific legislation against the intrusive act in England and Wales, according to the UK's Press Association.